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Finding the Fourth Proportional to 261,034.68, 360,220.86 and 147,893.88

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Solution

The fourth proportional to 261,034.68, 360,220.86 and 147,893.88 is: 204,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,034.68 : 360,220.86 = 147,893.88 : x
  2. Step 2: Convert to fraction form
    261,034.68/360,220.86 = 147,893.88/x
  3. Step 3: Cross multiply
    261,034.68x = 360,220.86 × 147,893.88
  4. Step 4: Simplify right side
    261,034.68x = 53,274,460,642.34
  5. Step 5: Solve for x
    x = 53,274,460,642.34/261,034.68
  6. Step 6: Final answer
    x = 204,089.59

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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.