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Finding the Fourth Proportional to 224,047.20, 336,070.80 and 168,751.20

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Solution

The fourth proportional to 224,047.20, 336,070.80 and 168,751.20 is: 253,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,047.20 : 336,070.80 = 168,751.20 : x
  2. Step 2: Convert to fraction form
    224,047.20/336,070.80 = 168,751.20/x
  3. Step 3: Cross multiply
    224,047.20x = 336,070.80 × 168,751.20
  4. Step 4: Simplify right side
    224,047.20x = 56,712,350,784.96
  5. Step 5: Solve for x
    x = 56,712,350,784.96/224,047.20
  6. Step 6: Final answer
    x = 253,126.80

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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.