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Finding the Fourth Proportional to 193,483.68, 266,998.49 and 107,448.12

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Solution

The fourth proportional to 193,483.68, 266,998.49 and 107,448.12 is: 148,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,483.68 : 266,998.49 = 107,448.12 : x
  2. Step 2: Convert to fraction form
    193,483.68/266,998.49 = 107,448.12/x
  3. Step 3: Cross multiply
    193,483.68x = 266,998.49 × 107,448.12
  4. Step 4: Simplify right side
    193,483.68x = 28,688,485,793.34
  5. Step 5: Solve for x
    x = 28,688,485,793.34/193,483.68
  6. Step 6: Final answer
    x = 148,273.41

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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.