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Finding the Fourth Proportional to 125,473.55, 173,151.34 and 68,884.52

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Solution

The fourth proportional to 125,473.55, 173,151.34 and 68,884.52 is: 95,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473.55 : 173,151.34 = 68,884.52 : x
  2. Step 2: Convert to fraction form
    125,473.55/173,151.34 = 68,884.52/x
  3. Step 3: Cross multiply
    125,473.55x = 173,151.34 × 68,884.52
  4. Step 4: Simplify right side
    125,473.55x = 11,927,445,905.29
  5. Step 5: Solve for x
    x = 11,927,445,905.29/125,473.55
  6. Step 6: Final answer
    x = 95,059.45

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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.