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Finding the Fourth Proportional to 223,073.97, 307,809.61 and 127,562.21

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Solution

The fourth proportional to 223,073.97, 307,809.61 and 127,562.21 is: 176,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,073.97 : 307,809.61 = 127,562.21 : x
  2. Step 2: Convert to fraction form
    223,073.97/307,809.61 = 127,562.21/x
  3. Step 3: Cross multiply
    223,073.97x = 307,809.61 × 127,562.21
  4. Step 4: Simplify right side
    223,073.97x = 39,264,874,561.46
  5. Step 5: Solve for x
    x = 39,264,874,561.46/223,073.97
  6. Step 6: Final answer
    x = 176,017.29

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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.