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Finding the Fourth Proportional to 56,160.16, 84,239.90 and 14,040.04

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Solution

The fourth proportional to 56,160.16, 84,239.90 and 14,040.04 is: 21,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.16 : 84,239.90 = 14,040.04 : x
  2. Step 2: Convert to fraction form
    56,160.16/84,239.90 = 14,040.04/x
  3. Step 3: Cross multiply
    56,160.16x = 84,239.90 × 14,040.04
  4. Step 4: Simplify right side
    56,160.16x = 1,182,731,565.60
  5. Step 5: Solve for x
    x = 1,182,731,565.60/56,160.16
  6. Step 6: Final answer
    x = 21,059.98

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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.