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Finding the Fourth Proportional to 193,622.80, 290,434.20 and 160,854.80

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Solution

The fourth proportional to 193,622.80, 290,434.20 and 160,854.80 is: 241,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,622.80 : 290,434.20 = 160,854.80 : x
  2. Step 2: Convert to fraction form
    193,622.80/290,434.20 = 160,854.80/x
  3. Step 3: Cross multiply
    193,622.80x = 290,434.20 × 160,854.80
  4. Step 4: Simplify right side
    193,622.80x = 46,717,735,154.16
  5. Step 5: Solve for x
    x = 46,717,735,154.16/193,622.80
  6. Step 6: Final answer
    x = 241,282.20

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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.