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Finding the Fourth Proportional to 125,655.60, 188,483.01 and 50,774.88

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Solution

The fourth proportional to 125,655.60, 188,483.01 and 50,774.88 is: 76,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,655.60 : 188,483.01 = 50,774.88 : x
  2. Step 2: Convert to fraction form
    125,655.60/188,483.01 = 50,774.88/x
  3. Step 3: Cross multiply
    125,655.60x = 188,483.01 × 50,774.88
  4. Step 4: Simplify right side
    125,655.60x = 9,570,202,214.79
  5. Step 5: Solve for x
    x = 9,570,202,214.79/125,655.60
  6. Step 6: Final answer
    x = 76,162.16

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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.