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Finding the Fourth Proportional to 101,490.79, 140,023.14 and 59,014.39

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Solution

The fourth proportional to 101,490.79, 140,023.14 and 59,014.39 is: 81,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,490.79 : 140,023.14 = 59,014.39 : x
  2. Step 2: Convert to fraction form
    101,490.79/140,023.14 = 59,014.39/x
  3. Step 3: Cross multiply
    101,490.79x = 140,023.14 × 59,014.39
  4. Step 4: Simplify right side
    101,490.79x = 8,263,380,192.98
  5. Step 5: Solve for x
    x = 8,263,380,192.98/101,490.79
  6. Step 6: Final answer
    x = 81,420.00

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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.