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Finding the Fourth Proportional to 181,952.92, 251,091.70 and 101,378.72

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Solution

The fourth proportional to 181,952.92, 251,091.70 and 101,378.72 is: 139,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,952.92 : 251,091.70 = 101,378.72 : x
  2. Step 2: Convert to fraction form
    181,952.92/251,091.70 = 101,378.72/x
  3. Step 3: Cross multiply
    181,952.92x = 251,091.70 × 101,378.72
  4. Step 4: Simplify right side
    181,952.92x = 25,455,353,893.17
  5. Step 5: Solve for x
    x = 25,455,353,893.17/181,952.92
  6. Step 6: Final answer
    x = 139,900.77

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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.