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Finding the Fourth Proportional to 160,008.60, 220,807.56 and 88,387.08

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Solution

The fourth proportional to 160,008.60, 220,807.56 and 88,387.08 is: 121,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,008.60 : 220,807.56 = 88,387.08 : x
  2. Step 2: Convert to fraction form
    160,008.60/220,807.56 = 88,387.08/x
  3. Step 3: Cross multiply
    160,008.60x = 220,807.56 × 88,387.08
  4. Step 4: Simplify right side
    160,008.60x = 19,516,535,470.32
  5. Step 5: Solve for x
    x = 19,516,535,470.32/160,008.60
  6. Step 6: Final answer
    x = 121,971.79

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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.