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Finding the Fourth Proportional to 147,403.80, 220,595.40 and 88,281.90

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Solution

The fourth proportional to 147,403.80, 220,595.40 and 88,281.90 is: 132,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,403.80 : 220,595.40 = 88,281.90 : x
  2. Step 2: Convert to fraction form
    147,403.80/220,595.40 = 88,281.90/x
  3. Step 3: Cross multiply
    147,403.80x = 220,595.40 × 88,281.90
  4. Step 4: Simplify right side
    147,403.80x = 19,474,581,043.26
  5. Step 5: Solve for x
    x = 19,474,581,043.26/147,403.80
  6. Step 6: Final answer
    x = 132,117.23

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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.