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Finding the Fourth Proportional to 181,682.48, 250,715.30 and 101,113.40

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Solution

The fourth proportional to 181,682.48, 250,715.30 and 101,113.40 is: 139,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,682.48 : 250,715.30 = 101,113.40 : x
  2. Step 2: Convert to fraction form
    181,682.48/250,715.30 = 101,113.40/x
  3. Step 3: Cross multiply
    181,682.48x = 250,715.30 × 101,113.40
  4. Step 4: Simplify right side
    181,682.48x = 25,350,676,415.02
  5. Step 5: Solve for x
    x = 25,350,676,415.02/181,682.48
  6. Step 6: Final answer
    x = 139,532.86

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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.