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Finding the Fourth Proportional to 224,048.13, 336,129.48 and 74,330.16

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Solution

The fourth proportional to 224,048.13, 336,129.48 and 74,330.16 is: 111,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,048.13 : 336,129.48 = 74,330.16 : x
  2. Step 2: Convert to fraction form
    224,048.13/336,129.48 = 74,330.16/x
  3. Step 3: Cross multiply
    224,048.13x = 336,129.48 × 74,330.16
  4. Step 4: Simplify right side
    224,048.13x = 24,984,558,029.12
  5. Step 5: Solve for x
    x = 24,984,558,029.12/224,048.13
  6. Step 6: Final answer
    x = 111,514.24

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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.