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Finding the Fourth Proportional to 71,530.85, 98,707.98 and 44,671.76

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Solution

The fourth proportional to 71,530.85, 98,707.98 and 44,671.76 is: 61,644.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,530.85 : 98,707.98 = 44,671.76 : x
  2. Step 2: Convert to fraction form
    71,530.85/98,707.98 = 44,671.76/x
  3. Step 3: Cross multiply
    71,530.85x = 98,707.98 × 44,671.76
  4. Step 4: Simplify right side
    71,530.85x = 4,409,459,236.78
  5. Step 5: Solve for x
    x = 4,409,459,236.78/71,530.85
  6. Step 6: Final answer
    x = 61,644.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.