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Finding the Fourth Proportional to 200,407.48, 276,562.70 and 108,526.52

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Solution

The fourth proportional to 200,407.48, 276,562.70 and 108,526.52 is: 149,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,407.48 : 276,562.70 = 108,526.52 : x
  2. Step 2: Convert to fraction form
    200,407.48/276,562.70 = 108,526.52/x
  3. Step 3: Cross multiply
    200,407.48x = 276,562.70 × 108,526.52
  4. Step 4: Simplify right side
    200,407.48x = 30,014,387,392.80
  5. Step 5: Solve for x
    x = 30,014,387,392.80/200,407.48
  6. Step 6: Final answer
    x = 149,766.80

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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.