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Finding the Fourth Proportional to 242,693.10, 364,039.65 and 137,717.10

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Solution

The fourth proportional to 242,693.10, 364,039.65 and 137,717.10 is: 206,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,693.10 : 364,039.65 = 137,717.10 : x
  2. Step 2: Convert to fraction form
    242,693.10/364,039.65 = 137,717.10/x
  3. Step 3: Cross multiply
    242,693.10x = 364,039.65 × 137,717.10
  4. Step 4: Simplify right side
    242,693.10x = 50,134,484,883.02
  5. Step 5: Solve for x
    x = 50,134,484,883.02/242,693.10
  6. Step 6: Final answer
    x = 206,575.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.