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Finding the Fourth Proportional to 60,294.32, 90,443.64 and 25,185.68

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Solution

The fourth proportional to 60,294.32, 90,443.64 and 25,185.68 is: 37,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,294.32 : 90,443.64 = 25,185.68 : x
  2. Step 2: Convert to fraction form
    60,294.32/90,443.64 = 25,185.68/x
  3. Step 3: Cross multiply
    60,294.32x = 90,443.64 × 25,185.68
  4. Step 4: Simplify right side
    60,294.32x = 2,277,884,575.08
  5. Step 5: Solve for x
    x = 2,277,884,575.08/60,294.32
  6. Step 6: Final answer
    x = 37,779.42

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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.