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Finding the Fourth Proportional to 225,101.50, 310,628.48 and 123,107.11

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Solution

The fourth proportional to 225,101.50, 310,628.48 and 123,107.11 is: 169,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,101.50 : 310,628.48 = 123,107.11 : x
  2. Step 2: Convert to fraction form
    225,101.50/310,628.48 = 123,107.11/x
  3. Step 3: Cross multiply
    225,101.50x = 310,628.48 × 123,107.11
  4. Step 4: Simplify right side
    225,101.50x = 38,240,573,064.39
  5. Step 5: Solve for x
    x = 38,240,573,064.39/225,101.50
  6. Step 6: Final answer
    x = 169,881.47

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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.