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Finding the Fourth Proportional to 144,718.76, 199,755.24 and 88,158.08

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Solution

The fourth proportional to 144,718.76, 199,755.24 and 88,158.08 is: 121,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,718.76 : 199,755.24 = 88,158.08 : x
  2. Step 2: Convert to fraction form
    144,718.76/199,755.24 = 88,158.08/x
  3. Step 3: Cross multiply
    144,718.76x = 199,755.24 × 88,158.08
  4. Step 4: Simplify right side
    144,718.76x = 17,610,038,428.34
  5. Step 5: Solve for x
    x = 17,610,038,428.34/144,718.76
  6. Step 6: Final answer
    x = 121,684.56

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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.