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Finding the Fourth Proportional to 156,069.60, 234,104.40 and 124,965.60

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Solution

The fourth proportional to 156,069.60, 234,104.40 and 124,965.60 is: 187,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,069.60 : 234,104.40 = 124,965.60 : x
  2. Step 2: Convert to fraction form
    156,069.60/234,104.40 = 124,965.60/x
  3. Step 3: Cross multiply
    156,069.60x = 234,104.40 × 124,965.60
  4. Step 4: Simplify right side
    156,069.60x = 29,254,996,808.64
  5. Step 5: Solve for x
    x = 29,254,996,808.64/156,069.60
  6. Step 6: Final answer
    x = 187,448.40

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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.