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Finding the Fourth Proportional to 159,650.17, 220,312.43 and 88,030.17

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Solution

The fourth proportional to 159,650.17, 220,312.43 and 88,030.17 is: 121,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.17 : 220,312.43 = 88,030.17 : x
  2. Step 2: Convert to fraction form
    159,650.17/220,312.43 = 88,030.17/x
  3. Step 3: Cross multiply
    159,650.17x = 220,312.43 × 88,030.17
  4. Step 4: Simplify right side
    159,650.17x = 19,394,140,666.01
  5. Step 5: Solve for x
    x = 19,394,140,666.01/159,650.17
  6. Step 6: Final answer
    x = 121,478.99

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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.