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Finding the Fourth Proportional to 267,547.06, 369,162.96 and 158,631.28

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Solution

The fourth proportional to 267,547.06, 369,162.96 and 158,631.28 is: 218,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,547.06 : 369,162.96 = 158,631.28 : x
  2. Step 2: Convert to fraction form
    267,547.06/369,162.96 = 158,631.28/x
  3. Step 3: Cross multiply
    267,547.06x = 369,162.96 × 158,631.28
  4. Step 4: Simplify right side
    267,547.06x = 58,560,792,873.39
  5. Step 5: Solve for x
    x = 58,560,792,873.39/267,547.06
  6. Step 6: Final answer
    x = 218,880.35

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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.