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Finding the Fourth Proportional to 101,909.34, 140,603.22 and 59,437.80

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Solution

The fourth proportional to 101,909.34, 140,603.22 and 59,437.80 is: 82,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,909.34 : 140,603.22 = 59,437.80 : x
  2. Step 2: Convert to fraction form
    101,909.34/140,603.22 = 59,437.80/x
  3. Step 3: Cross multiply
    101,909.34x = 140,603.22 × 59,437.80
  4. Step 4: Simplify right side
    101,909.34x = 8,357,146,069.72
  5. Step 5: Solve for x
    x = 8,357,146,069.72/101,909.34
  6. Step 6: Final answer
    x = 82,005.69

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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.