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Finding the Fourth Proportional to 172,279.71, 237,747.54 and 94,756.89

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Solution

The fourth proportional to 172,279.71, 237,747.54 and 94,756.89 is: 130,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,279.71 : 237,747.54 = 94,756.89 : x
  2. Step 2: Convert to fraction form
    172,279.71/237,747.54 = 94,756.89/x
  3. Step 3: Cross multiply
    172,279.71x = 237,747.54 × 94,756.89
  4. Step 4: Simplify right side
    172,279.71x = 22,528,217,495.55
  5. Step 5: Solve for x
    x = 22,528,217,495.55/172,279.71
  6. Step 6: Final answer
    x = 130,765.36

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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.