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Finding the Fourth Proportional to 174,656.64, 241,248.96 and 129,417.60

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Solution

The fourth proportional to 174,656.64, 241,248.96 and 129,417.60 is: 178,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,656.64 : 241,248.96 = 129,417.60 : x
  2. Step 2: Convert to fraction form
    174,656.64/241,248.96 = 129,417.60/x
  3. Step 3: Cross multiply
    174,656.64x = 241,248.96 × 129,417.60
  4. Step 4: Simplify right side
    174,656.64x = 31,221,861,405.70
  5. Step 5: Solve for x
    x = 31,221,861,405.70/174,656.64
  6. Step 6: Final answer
    x = 178,761.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.