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Finding the Fourth Proportional to 132,798.83, 199,237.01 and 42,839.55

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Solution

The fourth proportional to 132,798.83, 199,237.01 and 42,839.55 is: 64,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,798.83 : 199,237.01 = 42,839.55 : x
  2. Step 2: Convert to fraction form
    132,798.83/199,237.01 = 42,839.55/x
  3. Step 3: Cross multiply
    132,798.83x = 199,237.01 × 42,839.55
  4. Step 4: Simplify right side
    132,798.83x = 8,535,223,637.55
  5. Step 5: Solve for x
    x = 8,535,223,637.55/132,798.83
  6. Step 6: Final answer
    x = 64,271.83

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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.