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Finding the Fourth Proportional to 243,052.56, 335,482.95 and 141,100.92

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Solution

The fourth proportional to 243,052.56, 335,482.95 and 141,100.92 is: 194,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,052.56 : 335,482.95 = 141,100.92 : x
  2. Step 2: Convert to fraction form
    243,052.56/335,482.95 = 141,100.92/x
  3. Step 3: Cross multiply
    243,052.56x = 335,482.95 × 141,100.92
  4. Step 4: Simplify right side
    243,052.56x = 47,336,952,889.31
  5. Step 5: Solve for x
    x = 47,336,952,889.31/243,052.56
  6. Step 6: Final answer
    x = 194,760.15

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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.