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Finding the Fourth Proportional to 101,554.57, 140,146.78 and 56,232.46

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Solution

The fourth proportional to 101,554.57, 140,146.78 and 56,232.46 is: 77,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,554.57 : 140,146.78 = 56,232.46 : x
  2. Step 2: Convert to fraction form
    101,554.57/140,146.78 = 56,232.46/x
  3. Step 3: Cross multiply
    101,554.57x = 140,146.78 × 56,232.46
  4. Step 4: Simplify right side
    101,554.57x = 7,880,798,410.26
  5. Step 5: Solve for x
    x = 7,880,798,410.26/101,554.57
  6. Step 6: Final answer
    x = 77,601.61

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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.