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Finding the Fourth Proportional to 113,366.16, 156,441.12 and 63,064.08

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Solution

The fourth proportional to 113,366.16, 156,441.12 and 63,064.08 is: 87,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,366.16 : 156,441.12 = 63,064.08 : x
  2. Step 2: Convert to fraction form
    113,366.16/156,441.12 = 63,064.08/x
  3. Step 3: Cross multiply
    113,366.16x = 156,441.12 × 63,064.08
  4. Step 4: Simplify right side
    113,366.16x = 9,865,815,306.97
  5. Step 5: Solve for x
    x = 9,865,815,306.97/113,366.16
  6. Step 6: Final answer
    x = 87,026.10

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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.