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Finding the Fourth Proportional to 88,995.31, 133,492.66 and 36,404.79

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Solution

The fourth proportional to 88,995.31, 133,492.66 and 36,404.79 is: 54,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,995.31 : 133,492.66 = 36,404.79 : x
  2. Step 2: Convert to fraction form
    88,995.31/133,492.66 = 36,404.79/x
  3. Step 3: Cross multiply
    88,995.31x = 133,492.66 × 36,404.79
  4. Step 4: Simplify right side
    88,995.31x = 4,859,772,413.13
  5. Step 5: Solve for x
    x = 4,859,772,413.13/88,995.31
  6. Step 6: Final answer
    x = 54,607.06

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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.