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Finding the Fourth Proportional to 181,715.25, 250,699.77 and 181,435

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Solution

The fourth proportional to 181,715.25, 250,699.77 and 181,435 is: 250,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,715.25 : 250,699.77 = 181,435 : x
  2. Step 2: Convert to fraction form
    181,715.25/250,699.77 = 181,435/x
  3. Step 3: Cross multiply
    181,715.25x = 250,699.77 × 181,435
  4. Step 4: Simplify right side
    181,715.25x = 45,485,712,769.95
  5. Step 5: Solve for x
    x = 45,485,712,769.95/181,715.25
  6. Step 6: Final answer
    x = 250,313.13

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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.