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Finding the Fourth Proportional to 244,948.72, 338,048.76 and 137,525.80

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Solution

The fourth proportional to 244,948.72, 338,048.76 and 137,525.80 is: 189,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,948.72 : 338,048.76 = 137,525.80 : x
  2. Step 2: Convert to fraction form
    244,948.72/338,048.76 = 137,525.80/x
  3. Step 3: Cross multiply
    244,948.72x = 338,048.76 × 137,525.80
  4. Step 4: Simplify right side
    244,948.72x = 46,490,426,158.01
  5. Step 5: Solve for x
    x = 46,490,426,158.01/244,948.72
  6. Step 6: Final answer
    x = 189,796.57

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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.