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Finding the Fourth Proportional to 117,602.09, 176,392.71 and 42,722.87

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Solution

The fourth proportional to 117,602.09, 176,392.71 and 42,722.87 is: 64,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,602.09 : 176,392.71 = 42,722.87 : x
  2. Step 2: Convert to fraction form
    117,602.09/176,392.71 = 42,722.87/x
  3. Step 3: Cross multiply
    117,602.09x = 176,392.71 × 42,722.87
  4. Step 4: Simplify right side
    117,602.09x = 7,536,001,936.31
  5. Step 5: Solve for x
    x = 7,536,001,936.31/117,602.09
  6. Step 6: Final answer
    x = 64,080.51

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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.