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Finding the Fourth Proportional to 224,335.49, 336,430.43 and 74,535.56

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Solution

The fourth proportional to 224,335.49, 336,430.43 and 74,535.56 is: 111,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,335.49 : 336,430.43 = 74,535.56 : x
  2. Step 2: Convert to fraction form
    224,335.49/336,430.43 = 74,535.56/x
  3. Step 3: Cross multiply
    224,335.49x = 336,430.43 × 74,535.56
  4. Step 4: Simplify right side
    224,335.49x = 25,076,029,987.38
  5. Step 5: Solve for x
    x = 25,076,029,987.38/224,335.49
  6. Step 6: Final answer
    x = 111,779.15

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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.