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Finding the Fourth Proportional to 268,661.68, 371,002.08 and 173,332.24

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Solution

The fourth proportional to 268,661.68, 371,002.08 and 173,332.24 is: 239,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,661.68 : 371,002.08 = 173,332.24 : x
  2. Step 2: Convert to fraction form
    268,661.68/371,002.08 = 173,332.24/x
  3. Step 3: Cross multiply
    268,661.68x = 371,002.08 × 173,332.24
  4. Step 4: Simplify right side
    268,661.68x = 64,306,621,571.06
  5. Step 5: Solve for x
    x = 64,306,621,571.06/268,661.68
  6. Step 6: Final answer
    x = 239,359.11

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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.