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Finding the Fourth Proportional to 181,285.95, 250,214.63 and 100,741.17

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Solution

The fourth proportional to 181,285.95, 250,214.63 and 100,741.17 is: 139,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,285.95 : 250,214.63 = 100,741.17 : x
  2. Step 2: Convert to fraction form
    181,285.95/250,214.63 = 100,741.17/x
  3. Step 3: Cross multiply
    181,285.95x = 250,214.63 × 100,741.17
  4. Step 4: Simplify right side
    181,285.95x = 25,206,914,073.61
  5. Step 5: Solve for x
    x = 25,206,914,073.61/181,285.95
  6. Step 6: Final answer
    x = 139,045.05

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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.