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Finding the Fourth Proportional to 200,937.80, 301,061.10 and 95,529.80

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Solution

The fourth proportional to 200,937.80, 301,061.10 and 95,529.80 is: 143,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,937.80 : 301,061.10 = 95,529.80 : x
  2. Step 2: Convert to fraction form
    200,937.80/301,061.10 = 95,529.80/x
  3. Step 3: Cross multiply
    200,937.80x = 301,061.10 × 95,529.80
  4. Step 4: Simplify right side
    200,937.80x = 28,760,306,670.78
  5. Step 5: Solve for x
    x = 28,760,306,670.78/200,937.80
  6. Step 6: Final answer
    x = 143,130.39

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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.