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Finding the Fourth Proportional to 243,034.74, 335,169.90 and 152,400.60

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Solution

The fourth proportional to 243,034.74, 335,169.90 and 152,400.60 is: 210,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,034.74 : 335,169.90 = 152,400.60 : x
  2. Step 2: Convert to fraction form
    243,034.74/335,169.90 = 152,400.60/x
  3. Step 3: Cross multiply
    243,034.74x = 335,169.90 × 152,400.60
  4. Step 4: Simplify right side
    243,034.74x = 51,080,093,861.94
  5. Step 5: Solve for x
    x = 51,080,093,861.94/243,034.74
  6. Step 6: Final answer
    x = 210,176.10

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1.5x scale

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.