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Finding the Fourth Proportional to 242,785.80, 335,118.48 and 140,837.04

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Solution

The fourth proportional to 242,785.80, 335,118.48 and 140,837.04 is: 194,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,785.80 : 335,118.48 = 140,837.04 : x
  2. Step 2: Convert to fraction form
    242,785.80/335,118.48 = 140,837.04/x
  3. Step 3: Cross multiply
    242,785.80x = 335,118.48 × 140,837.04
  4. Step 4: Simplify right side
    242,785.80x = 47,197,094,772.50
  5. Step 5: Solve for x
    x = 47,197,094,772.50/242,785.80
  6. Step 6: Final answer
    x = 194,398.09

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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.