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Finding the Fourth Proportional to 117,877,444.80, 176,816,167.20 and 60,481,816.80

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Solution

The fourth proportional to 117,877,444.80, 176,816,167.20 and 60,481,816.80 is: 90,722,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,877,444.80 : 176,816,167.20 = 60,481,816.80 : x
  2. Step 2: Convert to fraction form
    117,877,444.80/176,816,167.20 = 60,481,816.80/x
  3. Step 3: Cross multiply
    117,877,444.80x = 176,816,167.20 × 60,481,816.80
  4. Step 4: Simplify right side
    117,877,444.80x = 10,694,163,031,868,568
  5. Step 5: Solve for x
    x = 10,694,163,031,868,568/117,877,444.80
  6. Step 6: Final answer
    x = 90,722,725.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.