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Finding the Fourth Proportional to 101,840.29, 152,758.12 and 59,985.88

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Solution

The fourth proportional to 101,840.29, 152,758.12 and 59,985.88 is: 89,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,840.29 : 152,758.12 = 59,985.88 : x
  2. Step 2: Convert to fraction form
    101,840.29/152,758.12 = 59,985.88/x
  3. Step 3: Cross multiply
    101,840.29x = 152,758.12 × 59,985.88
  4. Step 4: Simplify right side
    101,840.29x = 9,163,329,723.49
  5. Step 5: Solve for x
    x = 9,163,329,723.49/101,840.29
  6. Step 6: Final answer
    x = 89,977.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.