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Finding the Fourth Proportional to 88,184.49, 121,695.49 and 47,899.04

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Solution

The fourth proportional to 88,184.49, 121,695.49 and 47,899.04 is: 66,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,184.49 : 121,695.49 = 47,899.04 : x
  2. Step 2: Convert to fraction form
    88,184.49/121,695.49 = 47,899.04/x
  3. Step 3: Cross multiply
    88,184.49x = 121,695.49 × 47,899.04
  4. Step 4: Simplify right side
    88,184.49x = 5,829,097,143.33
  5. Step 5: Solve for x
    x = 5,829,097,143.33/88,184.49
  6. Step 6: Final answer
    x = 66,101.16

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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.