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Finding the Fourth Proportional to 101,643.93, 140,270.65 and 59,205.19

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Solution

The fourth proportional to 101,643.93, 140,270.65 and 59,205.19 is: 81,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643.93 : 140,270.65 = 59,205.19 : x
  2. Step 2: Convert to fraction form
    101,643.93/140,270.65 = 59,205.19/x
  3. Step 3: Cross multiply
    101,643.93x = 140,270.65 × 59,205.19
  4. Step 4: Simplify right side
    101,643.93x = 8,304,750,529.50
  5. Step 5: Solve for x
    x = 8,304,750,529.50/101,643.93
  6. Step 6: Final answer
    x = 81,704.35

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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.