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Finding the Fourth Proportional to 88,001.60, 132,002.40 and 79,246.40

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Solution

The fourth proportional to 88,001.60, 132,002.40 and 79,246.40 is: 118,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.60 : 132,002.40 = 79,246.40 : x
  2. Step 2: Convert to fraction form
    88,001.60/132,002.40 = 79,246.40/x
  3. Step 3: Cross multiply
    88,001.60x = 132,002.40 × 79,246.40
  4. Step 4: Simplify right side
    88,001.60x = 10,460,714,991.36
  5. Step 5: Solve for x
    x = 10,460,714,991.36/88,001.60
  6. Step 6: Final answer
    x = 118,869.60

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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.