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Finding the Fourth Proportional to 144,918.80, 202,471.60 and 144,918.80

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Solution

The fourth proportional to 144,918.80, 202,471.60 and 144,918.80 is: 202,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,918.80 : 202,471.60 = 144,918.80 : x
  2. Step 2: Convert to fraction form
    144,918.80/202,471.60 = 144,918.80/x
  3. Step 3: Cross multiply
    144,918.80x = 202,471.60 × 144,918.80
  4. Step 4: Simplify right side
    144,918.80x = 29,341,941,306.08
  5. Step 5: Solve for x
    x = 29,341,941,306.08/144,918.80
  6. Step 6: Final answer
    x = 202,471.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.