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Finding the Fourth Proportional to 71,643.86, 98,869.10 and 44,801.93

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Solution

The fourth proportional to 71,643.86, 98,869.10 and 44,801.93 is: 61,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,643.86 : 98,869.10 = 44,801.93 : x
  2. Step 2: Convert to fraction form
    71,643.86/98,869.10 = 44,801.93/x
  3. Step 3: Cross multiply
    71,643.86x = 98,869.10 × 44,801.93
  4. Step 4: Simplify right side
    71,643.86x = 4,429,526,497.36
  5. Step 5: Solve for x
    x = 4,429,526,497.36/71,643.86
  6. Step 6: Final answer
    x = 61,827.02

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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.