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Finding the Fourth Proportional to 267,206, 368,737 and 152,482.56

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Solution

The fourth proportional to 267,206, 368,737 and 152,482.56 is: 210,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,206 : 368,737 = 152,482.56 : x
  2. Step 2: Convert to fraction form
    267,206/368,737 = 152,482.56/x
  3. Step 3: Cross multiply
    267,206x = 368,737 × 152,482.56
  4. Step 4: Simplify right side
    267,206x = 56,225,961,726.72
  5. Step 5: Solve for x
    x = 56,225,961,726.72/267,206
  6. Step 6: Final answer
    x = 210,421.78

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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.