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Finding the Fourth Proportional to 88,615.80, 132,899.40 and 36,030.60

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Solution

The fourth proportional to 88,615.80, 132,899.40 and 36,030.60 is: 54,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.80 : 132,899.40 = 36,030.60 : x
  2. Step 2: Convert to fraction form
    88,615.80/132,899.40 = 36,030.60/x
  3. Step 3: Cross multiply
    88,615.80x = 132,899.40 × 36,030.60
  4. Step 4: Simplify right side
    88,615.80x = 4,788,445,121.64
  5. Step 5: Solve for x
    x = 4,788,445,121.64/88,615.80
  6. Step 6: Final answer
    x = 54,036.02

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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.