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Finding the Fourth Proportional to 98,524.08, 147,661.52 and 62,971.70

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Solution

The fourth proportional to 98,524.08, 147,661.52 and 62,971.70 is: 94,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,524.08 : 147,661.52 = 62,971.70 : x
  2. Step 2: Convert to fraction form
    98,524.08/147,661.52 = 62,971.70/x
  3. Step 3: Cross multiply
    98,524.08x = 147,661.52 × 62,971.70
  4. Step 4: Simplify right side
    98,524.08x = 9,298,495,885.82
  5. Step 5: Solve for x
    x = 9,298,495,885.82/98,524.08
  6. Step 6: Final answer
    x = 94,377.90

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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.