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Finding the Fourth Proportional to 66,157.31, 99,275.31 and 24,040.67

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Solution

The fourth proportional to 66,157.31, 99,275.31 and 24,040.67 is: 36,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.31 : 99,275.31 = 24,040.67 : x
  2. Step 2: Convert to fraction form
    66,157.31/99,275.31 = 24,040.67/x
  3. Step 3: Cross multiply
    66,157.31x = 99,275.31 × 24,040.67
  4. Step 4: Simplify right side
    66,157.31x = 2,386,644,966.86
  5. Step 5: Solve for x
    x = 2,386,644,966.86/66,157.31
  6. Step 6: Final answer
    x = 36,075.30

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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.