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Finding the Fourth Proportional to 245,535.66, 338,842.71 and 144,933.66

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Solution

The fourth proportional to 245,535.66, 338,842.71 and 144,933.66 is: 200,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,535.66 : 338,842.71 = 144,933.66 : x
  2. Step 2: Convert to fraction form
    245,535.66/338,842.71 = 144,933.66/x
  3. Step 3: Cross multiply
    245,535.66x = 338,842.71 × 144,933.66
  4. Step 4: Simplify right side
    245,535.66x = 49,109,714,124.62
  5. Step 5: Solve for x
    x = 49,109,714,124.62/245,535.66
  6. Step 6: Final answer
    x = 200,010.52

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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.