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Finding the Fourth Proportional to 267,355.65, 368,915.79 and 159,886.47

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Solution

The fourth proportional to 267,355.65, 368,915.79 and 159,886.47 is: 220,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,355.65 : 368,915.79 = 159,886.47 : x
  2. Step 2: Convert to fraction form
    267,355.65/368,915.79 = 159,886.47/x
  3. Step 3: Cross multiply
    267,355.65x = 368,915.79 × 159,886.47
  4. Step 4: Simplify right side
    267,355.65x = 58,984,643,390.36
  5. Step 5: Solve for x
    x = 58,984,643,390.36/267,355.65
  6. Step 6: Final answer
    x = 220,622.39

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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.