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Finding the Fourth Proportional to 223,378.64, 308,307.36 and 132,717.15

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Solution

The fourth proportional to 223,378.64, 308,307.36 and 132,717.15 is: 183,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,378.64 : 308,307.36 = 132,717.15 : x
  2. Step 2: Convert to fraction form
    223,378.64/308,307.36 = 132,717.15/x
  3. Step 3: Cross multiply
    223,378.64x = 308,307.36 × 132,717.15
  4. Step 4: Simplify right side
    223,378.64x = 40,917,675,797.07
  5. Step 5: Solve for x
    x = 40,917,675,797.07/223,378.64
  6. Step 6: Final answer
    x = 183,176.31

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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.