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Finding the Fourth Proportional to 134,332.80, 201,463.20 and 40,813.44

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Solution

The fourth proportional to 134,332.80, 201,463.20 and 40,813.44 is: 61,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,332.80 : 201,463.20 = 40,813.44 : x
  2. Step 2: Convert to fraction form
    134,332.80/201,463.20 = 40,813.44/x
  3. Step 3: Cross multiply
    134,332.80x = 201,463.20 × 40,813.44
  4. Step 4: Simplify right side
    134,332.80x = 8,222,406,225.41
  5. Step 5: Solve for x
    x = 8,222,406,225.41/134,332.80
  6. Step 6: Final answer
    x = 61,209.22

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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.