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Finding the Fourth Proportional to 125,710.96, 188,565.94 and 50,830.22

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Solution

The fourth proportional to 125,710.96, 188,565.94 and 50,830.22 is: 76,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,710.96 : 188,565.94 = 50,830.22 : x
  2. Step 2: Convert to fraction form
    125,710.96/188,565.94 = 50,830.22/x
  3. Step 3: Cross multiply
    125,710.96x = 188,565.94 × 50,830.22
  4. Step 4: Simplify right side
    125,710.96x = 9,584,848,214.71
  5. Step 5: Solve for x
    x = 9,584,848,214.71/125,710.96
  6. Step 6: Final answer
    x = 76,245.13

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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.