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Finding the Fourth Proportional to 148,798.52, 205,343.44 and 80,816.13

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Solution

The fourth proportional to 148,798.52, 205,343.44 and 80,816.13 is: 111,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,798.52 : 205,343.44 = 80,816.13 : x
  2. Step 2: Convert to fraction form
    148,798.52/205,343.44 = 80,816.13/x
  3. Step 3: Cross multiply
    148,798.52x = 205,343.44 × 80,816.13
  4. Step 4: Simplify right side
    148,798.52x = 16,595,062,779.26
  5. Step 5: Solve for x
    x = 16,595,062,779.26/148,798.52
  6. Step 6: Final answer
    x = 111,527.07

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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.