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Finding the Fourth Proportional to 61,741.20, 92,348.04 and 51,547.60

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Solution

The fourth proportional to 61,741.20, 92,348.04 and 51,547.60 is: 77,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,741.20 : 92,348.04 = 51,547.60 : x
  2. Step 2: Convert to fraction form
    61,741.20/92,348.04 = 51,547.60/x
  3. Step 3: Cross multiply
    61,741.20x = 92,348.04 × 51,547.60
  4. Step 4: Simplify right side
    61,741.20x = 4,760,319,826.70
  5. Step 5: Solve for x
    x = 4,760,319,826.70/61,741.20
  6. Step 6: Final answer
    x = 77,101.19

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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.