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Finding the Fourth Proportional to 223,452.84, 308,277.18 and 127,908.12

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Solution

The fourth proportional to 223,452.84, 308,277.18 and 127,908.12 is: 176,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,452.84 : 308,277.18 = 127,908.12 : x
  2. Step 2: Convert to fraction form
    223,452.84/308,277.18 = 127,908.12/x
  3. Step 3: Cross multiply
    223,452.84x = 308,277.18 × 127,908.12
  4. Step 4: Simplify right side
    223,452.84x = 39,431,154,532.70
  5. Step 5: Solve for x
    x = 39,431,154,532.70/223,452.84
  6. Step 6: Final answer
    x = 176,462.98

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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.