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Finding the Fourth Proportional to 161,472.47, 242,225.22 and 61,716.63

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Solution

The fourth proportional to 161,472.47, 242,225.22 and 61,716.63 is: 92,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,472.47 : 242,225.22 = 61,716.63 : x
  2. Step 2: Convert to fraction form
    161,472.47/242,225.22 = 61,716.63/x
  3. Step 3: Cross multiply
    161,472.47x = 242,225.22 × 61,716.63
  4. Step 4: Simplify right side
    161,472.47x = 14,949,324,279.41
  5. Step 5: Solve for x
    x = 14,949,324,279.41/161,472.47
  6. Step 6: Final answer
    x = 92,581.26

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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.