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Finding the Fourth Proportional to 88,932.70, 133,386.90 and 26,603.20

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Solution

The fourth proportional to 88,932.70, 133,386.90 and 26,603.20 is: 39,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,932.70 : 133,386.90 = 26,603.20 : x
  2. Step 2: Convert to fraction form
    88,932.70/133,386.90 = 26,603.20/x
  3. Step 3: Cross multiply
    88,932.70x = 133,386.90 × 26,603.20
  4. Step 4: Simplify right side
    88,932.70x = 3,548,518,378.08
  5. Step 5: Solve for x
    x = 3,548,518,378.08/88,932.70
  6. Step 6: Final answer
    x = 39,901.17

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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.