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Finding the Fourth Proportional to 125,089.26, 172,623.24 and 67,729.08

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Solution

The fourth proportional to 125,089.26, 172,623.24 and 67,729.08 is: 93,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.26 : 172,623.24 = 67,729.08 : x
  2. Step 2: Convert to fraction form
    125,089.26/172,623.24 = 67,729.08/x
  3. Step 3: Cross multiply
    125,089.26x = 172,623.24 × 67,729.08
  4. Step 4: Simplify right side
    125,089.26x = 11,691,613,231.82
  5. Step 5: Solve for x
    x = 11,691,613,231.82/125,089.26
  6. Step 6: Final answer
    x = 93,466.16

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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.