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Finding the Fourth Proportional to 268,475.48, 403,024.30 and 144,059.48

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Solution

The fourth proportional to 268,475.48, 403,024.30 and 144,059.48 is: 216,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,475.48 : 403,024.30 = 144,059.48 : x
  2. Step 2: Convert to fraction form
    268,475.48/403,024.30 = 144,059.48/x
  3. Step 3: Cross multiply
    268,475.48x = 403,024.30 × 144,059.48
  4. Step 4: Simplify right side
    268,475.48x = 58,059,471,085.36
  5. Step 5: Solve for x
    x = 58,059,471,085.36/268,475.48
  6. Step 6: Final answer
    x = 216,256.14

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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.