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Finding the Fourth Proportional to 261,675.70, 361,091.91 and 148,498.42

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Solution

The fourth proportional to 261,675.70, 361,091.91 and 148,498.42 is: 204,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,675.70 : 361,091.91 = 148,498.42 : x
  2. Step 2: Convert to fraction form
    261,675.70/361,091.91 = 148,498.42/x
  3. Step 3: Cross multiply
    261,675.70x = 361,091.91 × 148,498.42
  4. Step 4: Simplify right side
    261,675.70x = 53,621,578,109.78
  5. Step 5: Solve for x
    x = 53,621,578,109.78/261,675.70
  6. Step 6: Final answer
    x = 204,916.15

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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.