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Finding the Fourth Proportional to 101,492.79, 140,025.92 and 59,016.39

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Solution

The fourth proportional to 101,492.79, 140,025.92 and 59,016.39 is: 81,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,492.79 : 140,025.92 = 59,016.39 : x
  2. Step 2: Convert to fraction form
    101,492.79/140,025.92 = 59,016.39/x
  3. Step 3: Cross multiply
    101,492.79x = 140,025.92 × 59,016.39
  4. Step 4: Simplify right side
    101,492.79x = 8,263,824,009.75
  5. Step 5: Solve for x
    x = 8,263,824,009.75/101,492.79
  6. Step 6: Final answer
    x = 81,422.77

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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.