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Finding the Fourth Proportional to 225,184.84, 310,752.41 and 123,209.11

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Solution

The fourth proportional to 225,184.84, 310,752.41 and 123,209.11 is: 170,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,184.84 : 310,752.41 = 123,209.11 : x
  2. Step 2: Convert to fraction form
    225,184.84/310,752.41 = 123,209.11/x
  3. Step 3: Cross multiply
    225,184.84x = 310,752.41 × 123,209.11
  4. Step 4: Simplify right side
    225,184.84x = 38,287,527,866.46
  5. Step 5: Solve for x
    x = 38,287,527,866.46/225,184.84
  6. Step 6: Final answer
    x = 170,027.11

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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.