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Finding the Fourth Proportional to 172,109.71, 237,510.63 and 95,641.26

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Solution

The fourth proportional to 172,109.71, 237,510.63 and 95,641.26 is: 131,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,109.71 : 237,510.63 = 95,641.26 : x
  2. Step 2: Convert to fraction form
    172,109.71/237,510.63 = 95,641.26/x
  3. Step 3: Cross multiply
    172,109.71x = 237,510.63 × 95,641.26
  4. Step 4: Simplify right side
    172,109.71x = 22,715,815,916.59
  5. Step 5: Solve for x
    x = 22,715,815,916.59/172,109.71
  6. Step 6: Final answer
    x = 131,984.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.