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Finding the Fourth Proportional to 193,507.10, 267,010.76 and 108,607.76

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Solution

The fourth proportional to 193,507.10, 267,010.76 and 108,607.76 is: 149,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,507.10 : 267,010.76 = 108,607.76 : x
  2. Step 2: Convert to fraction form
    193,507.10/267,010.76 = 108,607.76/x
  3. Step 3: Cross multiply
    193,507.10x = 267,010.76 × 108,607.76
  4. Step 4: Simplify right side
    193,507.10x = 28,999,440,539.50
  5. Step 5: Solve for x
    x = 28,999,440,539.50/193,507.10
  6. Step 6: Final answer
    x = 149,862.41

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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.