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Finding the Fourth Proportional to 193,482.68, 266,997.11 and 107,447.12

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Solution

The fourth proportional to 193,482.68, 266,997.11 and 107,447.12 is: 148,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,482.68 : 266,997.11 = 107,447.12 : x
  2. Step 2: Convert to fraction form
    193,482.68/266,997.11 = 107,447.12/x
  3. Step 3: Cross multiply
    193,482.68x = 266,997.11 × 107,447.12
  4. Step 4: Simplify right side
    193,482.68x = 28,688,071,753.09
  5. Step 5: Solve for x
    x = 28,688,071,753.09/193,482.68
  6. Step 6: Final answer
    x = 148,272.04

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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.