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Finding the Fourth Proportional to 125,952.42, 173,784.54 and 71,492.48

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Solution

The fourth proportional to 125,952.42, 173,784.54 and 71,492.48 is: 98,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,952.42 : 173,784.54 = 71,492.48 : x
  2. Step 2: Convert to fraction form
    125,952.42/173,784.54 = 71,492.48/x
  3. Step 3: Cross multiply
    125,952.42x = 173,784.54 × 71,492.48
  4. Step 4: Simplify right side
    125,952.42x = 12,424,287,750.26
  5. Step 5: Solve for x
    x = 12,424,287,750.26/125,952.42
  6. Step 6: Final answer
    x = 98,642.71

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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.