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Finding the Fourth Proportional to 125,932, 173,782.08 and 69,341.92

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Solution

The fourth proportional to 125,932, 173,782.08 and 69,341.92 is: 95,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,932 : 173,782.08 = 69,341.92 : x
  2. Step 2: Convert to fraction form
    125,932/173,782.08 = 69,341.92/x
  3. Step 3: Cross multiply
    125,932x = 173,782.08 × 69,341.92
  4. Step 4: Simplify right side
    125,932x = 12,050,383,088.79
  5. Step 5: Solve for x
    x = 12,050,383,088.79/125,932
  6. Step 6: Final answer
    x = 95,689.60

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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.