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Finding the Fourth Proportional to 88,862.40, 122,631.57 and 53,055.54

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Solution

The fourth proportional to 88,862.40, 122,631.57 and 53,055.54 is: 73,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862.40 : 122,631.57 = 53,055.54 : x
  2. Step 2: Convert to fraction form
    88,862.40/122,631.57 = 53,055.54/x
  3. Step 3: Cross multiply
    88,862.40x = 122,631.57 × 53,055.54
  4. Step 4: Simplify right side
    88,862.40x = 6,506,284,167.40
  5. Step 5: Solve for x
    x = 6,506,284,167.40/88,862.40
  6. Step 6: Final answer
    x = 73,217.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.