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Finding the Fourth Proportional to 88,568.10, 133,056.95 and 60,920.10

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Solution

The fourth proportional to 88,568.10, 133,056.95 and 60,920.10 is: 91,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,568.10 : 133,056.95 = 60,920.10 : x
  2. Step 2: Convert to fraction form
    88,568.10/133,056.95 = 60,920.10/x
  3. Step 3: Cross multiply
    88,568.10x = 133,056.95 × 60,920.10
  4. Step 4: Simplify right side
    88,568.10x = 8,105,842,699.70
  5. Step 5: Solve for x
    x = 8,105,842,699.70/88,568.10
  6. Step 6: Final answer
    x = 91,521.02

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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.