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Finding the Fourth Proportional to 267,166.06, 368,723.28 and 153,989.62

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Solution

The fourth proportional to 267,166.06, 368,723.28 and 153,989.62 is: 212,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,166.06 : 368,723.28 = 153,989.62 : x
  2. Step 2: Convert to fraction form
    267,166.06/368,723.28 = 153,989.62/x
  3. Step 3: Cross multiply
    267,166.06x = 368,723.28 × 153,989.62
  4. Step 4: Simplify right side
    267,166.06x = 56,779,557,772.35
  5. Step 5: Solve for x
    x = 56,779,557,772.35/267,166.06
  6. Step 6: Final answer
    x = 212,525.34

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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.