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Finding the Fourth Proportional to 113,522.63, 156,666.08 and 63,221.63

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Solution

The fourth proportional to 113,522.63, 156,666.08 and 63,221.63 is: 87,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,522.63 : 156,666.08 = 63,221.63 : x
  2. Step 2: Convert to fraction form
    113,522.63/156,666.08 = 63,221.63/x
  3. Step 3: Cross multiply
    113,522.63x = 156,666.08 × 63,221.63
  4. Step 4: Simplify right side
    113,522.63x = 9,904,684,318.03
  5. Step 5: Solve for x
    x = 9,904,684,318.03/113,522.63
  6. Step 6: Final answer
    x = 87,248.55

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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.