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Finding the Fourth Proportional to 125,701.42, 173,461.54 and 69,101.86

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Solution

The fourth proportional to 125,701.42, 173,461.54 and 69,101.86 is: 95,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,701.42 : 173,461.54 = 69,101.86 : x
  2. Step 2: Convert to fraction form
    125,701.42/173,461.54 = 69,101.86/x
  3. Step 3: Cross multiply
    125,701.42x = 173,461.54 × 69,101.86
  4. Step 4: Simplify right side
    125,701.42x = 11,986,513,839.65
  5. Step 5: Solve for x
    x = 11,986,513,839.65/125,701.42
  6. Step 6: Final answer
    x = 95,357.03

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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.