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Finding the Fourth Proportional to 223,224.39, 308,017.35 and 127,713.24

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Solution

The fourth proportional to 223,224.39, 308,017.35 and 127,713.24 is: 176,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,224.39 : 308,017.35 = 127,713.24 : x
  2. Step 2: Convert to fraction form
    223,224.39/308,017.35 = 127,713.24/x
  3. Step 3: Cross multiply
    223,224.39x = 308,017.35 × 127,713.24
  4. Step 4: Simplify right side
    223,224.39x = 39,337,893,744.71
  5. Step 5: Solve for x
    x = 39,337,893,744.71/223,224.39
  6. Step 6: Final answer
    x = 176,225.79

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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.