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Finding the Fourth Proportional to 101,599.75, 140,206.18 and 56,277.59

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Solution

The fourth proportional to 101,599.75, 140,206.18 and 56,277.59 is: 77,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,599.75 : 140,206.18 = 56,277.59 : x
  2. Step 2: Convert to fraction form
    101,599.75/140,206.18 = 56,277.59/x
  3. Step 3: Cross multiply
    101,599.75x = 140,206.18 × 56,277.59
  4. Step 4: Simplify right side
    101,599.75x = 7,890,465,913.51
  5. Step 5: Solve for x
    x = 7,890,465,913.51/101,599.75
  6. Step 6: Final answer
    x = 77,662.26

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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.