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Finding the Fourth Proportional to 88,357.80, 132,536.70 and 35,740.20

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Solution

The fourth proportional to 88,357.80, 132,536.70 and 35,740.20 is: 53,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,357.80 : 132,536.70 = 35,740.20 : x
  2. Step 2: Convert to fraction form
    88,357.80/132,536.70 = 35,740.20/x
  3. Step 3: Cross multiply
    88,357.80x = 132,536.70 × 35,740.20
  4. Step 4: Simplify right side
    88,357.80x = 4,736,888,165.34
  5. Step 5: Solve for x
    x = 4,736,888,165.34/88,357.80
  6. Step 6: Final answer
    x = 53,610.30

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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.