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Finding the Fourth Proportional to 243,054.60, 364,581.90 and 148,576.20

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Solution

The fourth proportional to 243,054.60, 364,581.90 and 148,576.20 is: 222,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,054.60 : 364,581.90 = 148,576.20 : x
  2. Step 2: Convert to fraction form
    243,054.60/364,581.90 = 148,576.20/x
  3. Step 3: Cross multiply
    243,054.60x = 364,581.90 × 148,576.20
  4. Step 4: Simplify right side
    243,054.60x = 54,168,193,290.78
  5. Step 5: Solve for x
    x = 54,168,193,290.78/243,054.60
  6. Step 6: Final answer
    x = 222,864.30

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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.