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Finding the Fourth Proportional to 224,077.80, 336,116.70 and 99,431.40

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Solution

The fourth proportional to 224,077.80, 336,116.70 and 99,431.40 is: 149,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,077.80 : 336,116.70 = 99,431.40 : x
  2. Step 2: Convert to fraction form
    224,077.80/336,116.70 = 99,431.40/x
  3. Step 3: Cross multiply
    224,077.80x = 336,116.70 × 99,431.40
  4. Step 4: Simplify right side
    224,077.80x = 33,420,554,044.38
  5. Step 5: Solve for x
    x = 33,420,554,044.38/224,077.80
  6. Step 6: Final answer
    x = 149,147.10

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1.5x scale

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.