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Finding the Fourth Proportional to 125,843.85, 173,666.30 and 68,484.92

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Solution

The fourth proportional to 125,843.85, 173,666.30 and 68,484.92 is: 94,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,843.85 : 173,666.30 = 68,484.92 : x
  2. Step 2: Convert to fraction form
    125,843.85/173,666.30 = 68,484.92/x
  3. Step 3: Cross multiply
    125,843.85x = 173,666.30 × 68,484.92
  4. Step 4: Simplify right side
    125,843.85x = 11,893,521,451.44
  5. Step 5: Solve for x
    x = 11,893,521,451.44/125,843.85
  6. Step 6: Final answer
    x = 94,510.15

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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.