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Finding the Fourth Proportional to 125,592.61, 173,222.32 and 86,894.83

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Solution

The fourth proportional to 125,592.61, 173,222.32 and 86,894.83 is: 119,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,592.61 : 173,222.32 = 86,894.83 : x
  2. Step 2: Convert to fraction form
    125,592.61/173,222.32 = 86,894.83/x
  3. Step 3: Cross multiply
    125,592.61x = 173,222.32 × 86,894.83
  4. Step 4: Simplify right side
    125,592.61x = 15,052,123,480.84
  5. Step 5: Solve for x
    x = 15,052,123,480.84/125,592.61
  6. Step 6: Final answer
    x = 119,848.80

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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.