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Finding the Fourth Proportional to 169,283.60, 253,752.60 and 99,126.80

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Solution

The fourth proportional to 169,283.60, 253,752.60 and 99,126.80 is: 148,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,283.60 : 253,752.60 = 99,126.80 : x
  2. Step 2: Convert to fraction form
    169,283.60/253,752.60 = 99,126.80/x
  3. Step 3: Cross multiply
    169,283.60x = 253,752.60 × 99,126.80
  4. Step 4: Simplify right side
    169,283.60x = 25,153,683,229.68
  5. Step 5: Solve for x
    x = 25,153,683,229.68/169,283.60
  6. Step 6: Final answer
    x = 148,589.01

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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.