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Finding the Fourth Proportional to 88,403.80, 132,613.80 and 35,802.40

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Solution

The fourth proportional to 88,403.80, 132,613.80 and 35,802.40 is: 53,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,403.80 : 132,613.80 = 35,802.40 : x
  2. Step 2: Convert to fraction form
    88,403.80/132,613.80 = 35,802.40/x
  3. Step 3: Cross multiply
    88,403.80x = 132,613.80 × 35,802.40
  4. Step 4: Simplify right side
    88,403.80x = 4,747,892,313.12
  5. Step 5: Solve for x
    x = 4,747,892,313.12/88,403.80
  6. Step 6: Final answer
    x = 53,706.88

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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.