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Finding the Fourth Proportional to 88,802.70, 133,090.65 and 36,152.70

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Solution

The fourth proportional to 88,802.70, 133,090.65 and 36,152.70 is: 54,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,802.70 : 133,090.65 = 36,152.70 : x
  2. Step 2: Convert to fraction form
    88,802.70/133,090.65 = 36,152.70/x
  3. Step 3: Cross multiply
    88,802.70x = 133,090.65 × 36,152.70
  4. Step 4: Simplify right side
    88,802.70x = 4,811,586,342.26
  5. Step 5: Solve for x
    x = 4,811,586,342.26/88,802.70
  6. Step 6: Final answer
    x = 54,182.88

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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.