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Finding the Fourth Proportional to 69,500.16, 95,852.16 and 56,903.04

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Solution

The fourth proportional to 69,500.16, 95,852.16 and 56,903.04 is: 78,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500.16 : 95,852.16 = 56,903.04 : x
  2. Step 2: Convert to fraction form
    69,500.16/95,852.16 = 56,903.04/x
  3. Step 3: Cross multiply
    69,500.16x = 95,852.16 × 56,903.04
  4. Step 4: Simplify right side
    69,500.16x = 5,454,279,294.57
  5. Step 5: Solve for x
    x = 5,454,279,294.57/69,500.16
  6. Step 6: Final answer
    x = 78,478.66

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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.