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Finding the Fourth Proportional to 88,813.60, 133,220.40 and 88,295.20

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Solution

The fourth proportional to 88,813.60, 133,220.40 and 88,295.20 is: 132,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,813.60 : 133,220.40 = 88,295.20 : x
  2. Step 2: Convert to fraction form
    88,813.60/133,220.40 = 88,295.20/x
  3. Step 3: Cross multiply
    88,813.60x = 133,220.40 × 88,295.20
  4. Step 4: Simplify right side
    88,813.60x = 11,762,721,862.08
  5. Step 5: Solve for x
    x = 11,762,721,862.08/88,813.60
  6. Step 6: Final answer
    x = 132,442.80

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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.