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Finding the Fourth Proportional to 125,896.78, 173,737.08 and 69,308.16

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Solution

The fourth proportional to 125,896.78, 173,737.08 and 69,308.16 is: 95,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,896.78 : 173,737.08 = 69,308.16 : x
  2. Step 2: Convert to fraction form
    125,896.78/173,737.08 = 69,308.16/x
  3. Step 3: Cross multiply
    125,896.78x = 173,737.08 × 69,308.16
  4. Step 4: Simplify right side
    125,896.78x = 12,041,397,338.57
  5. Step 5: Solve for x
    x = 12,041,397,338.57/125,896.78
  6. Step 6: Final answer
    x = 95,645.00

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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.