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Finding the Fourth Proportional to 113,230.32, 156,254.04 and 62,928.24

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Solution

The fourth proportional to 113,230.32, 156,254.04 and 62,928.24 is: 86,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,230.32 : 156,254.04 = 62,928.24 : x
  2. Step 2: Convert to fraction form
    113,230.32/156,254.04 = 62,928.24/x
  3. Step 3: Cross multiply
    113,230.32x = 156,254.04 × 62,928.24
  4. Step 4: Simplify right side
    113,230.32x = 9,832,791,730.09
  5. Step 5: Solve for x
    x = 9,832,791,730.09/113,230.32
  6. Step 6: Final answer
    x = 86,838.86

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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.