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Finding the Fourth Proportional to 145,791.60, 218,773.80 and 96,014.40

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Solution

The fourth proportional to 145,791.60, 218,773.80 and 96,014.40 is: 144,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,791.60 : 218,773.80 = 96,014.40 : x
  2. Step 2: Convert to fraction form
    145,791.60/218,773.80 = 96,014.40/x
  3. Step 3: Cross multiply
    145,791.60x = 218,773.80 × 96,014.40
  4. Step 4: Simplify right side
    145,791.60x = 21,005,435,142.72
  5. Step 5: Solve for x
    x = 21,005,435,142.72/145,791.60
  6. Step 6: Final answer
    x = 144,078.50

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1.5x scale

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.