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Finding the Fourth Proportional to 101,549.87, 140,146.71 and 56,232.06

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Solution

The fourth proportional to 101,549.87, 140,146.71 and 56,232.06 is: 77,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,549.87 : 140,146.71 = 56,232.06 : x
  2. Step 2: Convert to fraction form
    101,549.87/140,146.71 = 56,232.06/x
  3. Step 3: Cross multiply
    101,549.87x = 140,146.71 × 56,232.06
  4. Step 4: Simplify right side
    101,549.87x = 7,880,738,205.52
  5. Step 5: Solve for x
    x = 7,880,738,205.52/101,549.87
  6. Step 6: Final answer
    x = 77,604.62

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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.