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Finding the Fourth Proportional to 172,401.66, 237,898.89 and 95,918.22

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Solution

The fourth proportional to 172,401.66, 237,898.89 and 95,918.22 is: 132,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,401.66 : 237,898.89 = 95,918.22 : x
  2. Step 2: Convert to fraction form
    172,401.66/237,898.89 = 95,918.22/x
  3. Step 3: Cross multiply
    172,401.66x = 237,898.89 × 95,918.22
  4. Step 4: Simplify right side
    172,401.66x = 22,818,838,068.78
  5. Step 5: Solve for x
    x = 22,818,838,068.78/172,401.66
  6. Step 6: Final answer
    x = 132,358.58

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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.