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Finding the Fourth Proportional to 88,702.60, 133,090.35 and 32,569.60

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Solution

The fourth proportional to 88,702.60, 133,090.35 and 32,569.60 is: 48,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.60 : 133,090.35 = 32,569.60 : x
  2. Step 2: Convert to fraction form
    88,702.60/133,090.35 = 32,569.60/x
  3. Step 3: Cross multiply
    88,702.60x = 133,090.35 × 32,569.60
  4. Step 4: Simplify right side
    88,702.60x = 4,334,699,463.36
  5. Step 5: Solve for x
    x = 4,334,699,463.36/88,702.60
  6. Step 6: Final answer
    x = 48,867.78

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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.