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Finding the Fourth Proportional to 113,444.56, 156,553.44 and 63,155.44

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Solution

The fourth proportional to 113,444.56, 156,553.44 and 63,155.44 is: 87,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,444.56 : 156,553.44 = 63,155.44 : x
  2. Step 2: Convert to fraction form
    113,444.56/156,553.44 = 63,155.44/x
  3. Step 3: Cross multiply
    113,444.56x = 156,553.44 × 63,155.44
  4. Step 4: Simplify right side
    113,444.56x = 9,887,201,386.71
  5. Step 5: Solve for x
    x = 9,887,201,386.71/113,444.56
  6. Step 6: Final answer
    x = 87,154.48

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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.