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Finding the Fourth Proportional to 155,044.92, 232,525.87 and 42,698.44

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Solution

The fourth proportional to 155,044.92, 232,525.87 and 42,698.44 is: 64,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,044.92 : 232,525.87 = 42,698.44 : x
  2. Step 2: Convert to fraction form
    155,044.92/232,525.87 = 42,698.44/x
  3. Step 3: Cross multiply
    155,044.92x = 232,525.87 × 42,698.44
  4. Step 4: Simplify right side
    155,044.92x = 9,928,492,332.73
  5. Step 5: Solve for x
    x = 9,928,492,332.73/155,044.92
  6. Step 6: Final answer
    x = 64,036.23

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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.