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Finding the Fourth Proportional to 238,425.80, 357,638.70 and 149,741.60

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Solution

The fourth proportional to 238,425.80, 357,638.70 and 149,741.60 is: 224,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,425.80 : 357,638.70 = 149,741.60 : x
  2. Step 2: Convert to fraction form
    238,425.80/357,638.70 = 149,741.60/x
  3. Step 3: Cross multiply
    238,425.80x = 357,638.70 × 149,741.60
  4. Step 4: Simplify right side
    238,425.80x = 53,553,391,159.92
  5. Step 5: Solve for x
    x = 53,553,391,159.92/238,425.80
  6. Step 6: Final answer
    x = 224,612.40

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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.