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Finding the Fourth Proportional to 464,082.55, 696,124.44 and 127,126.17

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Solution

The fourth proportional to 464,082.55, 696,124.44 and 127,126.17 is: 190,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,082.55 : 696,124.44 = 127,126.17 : x
  2. Step 2: Convert to fraction form
    464,082.55/696,124.44 = 127,126.17/x
  3. Step 3: Cross multiply
    464,082.55x = 696,124.44 × 127,126.17
  4. Step 4: Simplify right side
    464,082.55x = 88,495,633,900.59
  5. Step 5: Solve for x
    x = 88,495,633,900.59/464,082.55
  6. Step 6: Final answer
    x = 190,689.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.