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Finding the Fourth Proportional to 101,597.40, 140,193.72 and 56,274.17

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Solution

The fourth proportional to 101,597.40, 140,193.72 and 56,274.17 is: 77,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.40 : 140,193.72 = 56,274.17 : x
  2. Step 2: Convert to fraction form
    101,597.40/140,193.72 = 56,274.17/x
  3. Step 3: Cross multiply
    101,597.40x = 140,193.72 × 56,274.17
  4. Step 4: Simplify right side
    101,597.40x = 7,889,284,531.24
  5. Step 5: Solve for x
    x = 7,889,284,531.24/101,597.40
  6. Step 6: Final answer
    x = 77,652.43

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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.