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Finding the Fourth Proportional to 101,501.92, 140,057.18 and 57,894.84

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Solution

The fourth proportional to 101,501.92, 140,057.18 and 57,894.84 is: 79,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,501.92 : 140,057.18 = 57,894.84 : x
  2. Step 2: Convert to fraction form
    101,501.92/140,057.18 = 57,894.84/x
  3. Step 3: Cross multiply
    101,501.92x = 140,057.18 × 57,894.84
  4. Step 4: Simplify right side
    101,501.92x = 8,108,588,026.95
  5. Step 5: Solve for x
    x = 8,108,588,026.95/101,501.92
  6. Step 6: Final answer
    x = 79,886.06

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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.