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Finding the Fourth Proportional to 88,750.04, 133,019.17 and 51,230.84

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Solution

The fourth proportional to 88,750.04, 133,019.17 and 51,230.84 is: 76,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.04 : 133,019.17 = 51,230.84 : x
  2. Step 2: Convert to fraction form
    88,750.04/133,019.17 = 51,230.84/x
  3. Step 3: Cross multiply
    88,750.04x = 133,019.17 × 51,230.84
  4. Step 4: Simplify right side
    88,750.04x = 6,814,683,891.60
  5. Step 5: Solve for x
    x = 6,814,683,891.60/88,750.04
  6. Step 6: Final answer
    x = 76,785.13

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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.