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Finding the Fourth Proportional to 125,447.52, 188,214.48 and 63,066.72

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Solution

The fourth proportional to 125,447.52, 188,214.48 and 63,066.72 is: 94,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,447.52 : 188,214.48 = 63,066.72 : x
  2. Step 2: Convert to fraction form
    125,447.52/188,214.48 = 63,066.72/x
  3. Step 3: Cross multiply
    125,447.52x = 188,214.48 × 63,066.72
  4. Step 4: Simplify right side
    125,447.52x = 11,870,069,910.11
  5. Step 5: Solve for x
    x = 11,870,069,910.11/125,447.52
  6. Step 6: Final answer
    x = 94,621.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.