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Finding the Fourth Proportional to 267,860.16, 369,643.88 and 154,680.48

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Solution

The fourth proportional to 267,860.16, 369,643.88 and 154,680.48 is: 213,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,860.16 : 369,643.88 = 154,680.48 : x
  2. Step 2: Convert to fraction form
    267,860.16/369,643.88 = 154,680.48/x
  3. Step 3: Cross multiply
    267,860.16x = 369,643.88 × 154,680.48
  4. Step 4: Simplify right side
    267,860.16x = 57,176,692,787.46
  5. Step 5: Solve for x
    x = 57,176,692,787.46/267,860.16
  6. Step 6: Final answer
    x = 213,457.25

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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.