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Finding the Fourth Proportional to 261,254.64, 360,535.68 and 148,074.96

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Solution

The fourth proportional to 261,254.64, 360,535.68 and 148,074.96 is: 204,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,254.64 : 360,535.68 = 148,074.96 : x
  2. Step 2: Convert to fraction form
    261,254.64/360,535.68 = 148,074.96/x
  3. Step 3: Cross multiply
    261,254.64x = 360,535.68 × 148,074.96
  4. Step 4: Simplify right side
    261,254.64x = 53,386,306,394.57
  5. Step 5: Solve for x
    x = 53,386,306,394.57/261,254.64
  6. Step 6: Final answer
    x = 204,345.87

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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.