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Finding the Fourth Proportional to 224,674.56, 310,044.96 and 124,070.40

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Solution

The fourth proportional to 224,674.56, 310,044.96 and 124,070.40 is: 171,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,674.56 : 310,044.96 = 124,070.40 : x
  2. Step 2: Convert to fraction form
    224,674.56/310,044.96 = 124,070.40/x
  3. Step 3: Cross multiply
    224,674.56x = 310,044.96 × 124,070.40
  4. Step 4: Simplify right side
    224,674.56x = 38,467,402,205.18
  5. Step 5: Solve for x
    x = 38,467,402,205.18/224,674.56
  6. Step 6: Final answer
    x = 171,213.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.