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Finding the Fourth Proportional to 244,988.01, 338,074.71 and 137,562.57

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Solution

The fourth proportional to 244,988.01, 338,074.71 and 137,562.57 is: 189,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,988.01 : 338,074.71 = 137,562.57 : x
  2. Step 2: Convert to fraction form
    244,988.01/338,074.71 = 137,562.57/x
  3. Step 3: Cross multiply
    244,988.01x = 338,074.71 × 137,562.57
  4. Step 4: Simplify right side
    244,988.01x = 46,506,426,217.53
  5. Step 5: Solve for x
    x = 46,506,426,217.53/244,988.01
  6. Step 6: Final answer
    x = 189,831.44

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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.