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Finding the Fourth Proportional to 243,681.57, 365,522.36 and 160,556.13

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Solution

The fourth proportional to 243,681.57, 365,522.36 and 160,556.13 is: 240,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,681.57 : 365,522.36 = 160,556.13 : x
  2. Step 2: Convert to fraction form
    243,681.57/365,522.36 = 160,556.13/x
  3. Step 3: Cross multiply
    243,681.57x = 365,522.36 × 160,556.13
  4. Step 4: Simplify right side
    243,681.57x = 58,686,854,747.29
  5. Step 5: Solve for x
    x = 58,686,854,747.29/243,681.57
  6. Step 6: Final answer
    x = 240,834.20

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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.