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Finding the Fourth Proportional to 261,698.15, 361,152.17 and 146,997.02

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Solution

The fourth proportional to 261,698.15, 361,152.17 and 146,997.02 is: 202,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,698.15 : 361,152.17 = 146,997.02 : x
  2. Step 2: Convert to fraction form
    261,698.15/361,152.17 = 146,997.02/x
  3. Step 3: Cross multiply
    261,698.15x = 361,152.17 × 146,997.02
  4. Step 4: Simplify right side
    261,698.15x = 53,088,290,215.79
  5. Step 5: Solve for x
    x = 53,088,290,215.79/261,698.15
  6. Step 6: Final answer
    x = 202,860.78

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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.