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Finding the Fourth Proportional to 86,368, 129,552 and 24,040.12

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Solution

The fourth proportional to 86,368, 129,552 and 24,040.12 is: 36,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,368 : 129,552 = 24,040.12 : x
  2. Step 2: Convert to fraction form
    86,368/129,552 = 24,040.12/x
  3. Step 3: Cross multiply
    86,368x = 129,552 × 24,040.12
  4. Step 4: Simplify right side
    86,368x = 3,114,445,626.24
  5. Step 5: Solve for x
    x = 3,114,445,626.24/86,368
  6. Step 6: Final answer
    x = 36,060.18

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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.