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Finding the Fourth Proportional to 125,250.66, 172,848.33 and 68,658.66

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Solution

The fourth proportional to 125,250.66, 172,848.33 and 68,658.66 is: 94,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.66 : 172,848.33 = 68,658.66 : x
  2. Step 2: Convert to fraction form
    125,250.66/172,848.33 = 68,658.66/x
  3. Step 3: Cross multiply
    125,250.66x = 172,848.33 × 68,658.66
  4. Step 4: Simplify right side
    125,250.66x = 11,867,534,721.04
  5. Step 5: Solve for x
    x = 11,867,534,721.04/125,250.66
  6. Step 6: Final answer
    x = 94,750.28

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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.