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Finding the Fourth Proportional to 101,854.37, 140,557.97 and 56,532.74

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Solution

The fourth proportional to 101,854.37, 140,557.97 and 56,532.74 is: 78,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,854.37 : 140,557.97 = 56,532.74 : x
  2. Step 2: Convert to fraction form
    101,854.37/140,557.97 = 56,532.74/x
  3. Step 3: Cross multiply
    101,854.37x = 140,557.97 × 56,532.74
  4. Step 4: Simplify right side
    101,854.37x = 7,946,126,187.48
  5. Step 5: Solve for x
    x = 7,946,126,187.48/101,854.37
  6. Step 6: Final answer
    x = 78,014.59

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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.