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Finding the Fourth Proportional to 125,496.72, 173,151.72 and 74,467.08

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Solution

The fourth proportional to 125,496.72, 173,151.72 and 74,467.08 is: 102,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,496.72 : 173,151.72 = 74,467.08 : x
  2. Step 2: Convert to fraction form
    125,496.72/173,151.72 = 74,467.08/x
  3. Step 3: Cross multiply
    125,496.72x = 173,151.72 × 74,467.08
  4. Step 4: Simplify right side
    125,496.72x = 12,894,102,985.38
  5. Step 5: Solve for x
    x = 12,894,102,985.38/125,496.72
  6. Step 6: Final answer
    x = 102,744.54

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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.