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Finding the Fourth Proportional to 247,720.47, 341,795.68 and 145,750.38

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Solution

The fourth proportional to 247,720.47, 341,795.68 and 145,750.38 is: 201,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,720.47 : 341,795.68 = 145,750.38 : x
  2. Step 2: Convert to fraction form
    247,720.47/341,795.68 = 145,750.38/x
  3. Step 3: Cross multiply
    247,720.47x = 341,795.68 × 145,750.38
  4. Step 4: Simplify right side
    247,720.47x = 49,816,850,242.36
  5. Step 5: Solve for x
    x = 49,816,850,242.36/247,720.47
  6. Step 6: Final answer
    x = 201,101.06

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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.