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Finding the Fourth Proportional to 125,657.34, 173,417.67 and 69,079.38

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Solution

The fourth proportional to 125,657.34, 173,417.67 and 69,079.38 is: 95,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,657.34 : 173,417.67 = 69,079.38 : x
  2. Step 2: Convert to fraction form
    125,657.34/173,417.67 = 69,079.38/x
  3. Step 3: Cross multiply
    125,657.34x = 173,417.67 × 69,079.38
  4. Step 4: Simplify right side
    125,657.34x = 11,979,585,124.64
  5. Step 5: Solve for x
    x = 11,979,585,124.64/125,657.34
  6. Step 6: Final answer
    x = 95,335.34

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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.