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Finding the Fourth Proportional to 156,796.96, 235,034.52 and 61,988.62

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Solution

The fourth proportional to 156,796.96, 235,034.52 and 61,988.62 is: 92,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.96 : 235,034.52 = 61,988.62 : x
  2. Step 2: Convert to fraction form
    156,796.96/235,034.52 = 61,988.62/x
  3. Step 3: Cross multiply
    156,796.96x = 235,034.52 × 61,988.62
  4. Step 4: Simplify right side
    156,796.96x = 14,569,465,547.16
  5. Step 5: Solve for x
    x = 14,569,465,547.16/156,796.96
  6. Step 6: Final answer
    x = 92,919.31

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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.