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Finding the Fourth Proportional to 223,301.88, 308,170.37 and 127,806.53

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Solution

The fourth proportional to 223,301.88, 308,170.37 and 127,806.53 is: 176,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,301.88 : 308,170.37 = 127,806.53 : x
  2. Step 2: Convert to fraction form
    223,301.88/308,170.37 = 127,806.53/x
  3. Step 3: Cross multiply
    223,301.88x = 308,170.37 × 127,806.53
  4. Step 4: Simplify right side
    223,301.88x = 39,386,184,417.18
  5. Step 5: Solve for x
    x = 39,386,184,417.18/223,301.88
  6. Step 6: Final answer
    x = 176,380.89

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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.