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Finding the Fourth Proportional to 237,319.10, 355,978.65 and 71,107.10

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Solution

The fourth proportional to 237,319.10, 355,978.65 and 71,107.10 is: 106,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,319.10 : 355,978.65 = 71,107.10 : x
  2. Step 2: Convert to fraction form
    237,319.10/355,978.65 = 71,107.10/x
  3. Step 3: Cross multiply
    237,319.10x = 355,978.65 × 71,107.10
  4. Step 4: Simplify right side
    237,319.10x = 25,312,609,463.42
  5. Step 5: Solve for x
    x = 25,312,609,463.42/237,319.10
  6. Step 6: Final answer
    x = 106,660.65

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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.