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Finding the Fourth Proportional to 144,082.67, 216,130.68 and 102,150.59

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Solution

The fourth proportional to 144,082.67, 216,130.68 and 102,150.59 is: 153,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,082.67 : 216,130.68 = 102,150.59 : x
  2. Step 2: Convert to fraction form
    144,082.67/216,130.68 = 102,150.59/x
  3. Step 3: Cross multiply
    144,082.67x = 216,130.68 × 102,150.59
  4. Step 4: Simplify right side
    144,082.67x = 22,077,875,398.45
  5. Step 5: Solve for x
    x = 22,077,875,398.45/144,082.67
  6. Step 6: Final answer
    x = 153,230.62

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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.