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Finding the Fourth Proportional to 101,718.64, 152,577.96 and 39,389.14

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Solution

The fourth proportional to 101,718.64, 152,577.96 and 39,389.14 is: 59,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,718.64 : 152,577.96 = 39,389.14 : x
  2. Step 2: Convert to fraction form
    101,718.64/152,577.96 = 39,389.14/x
  3. Step 3: Cross multiply
    101,718.64x = 152,577.96 × 39,389.14
  4. Step 4: Simplify right side
    101,718.64x = 6,009,914,627.35
  5. Step 5: Solve for x
    x = 6,009,914,627.35/101,718.64
  6. Step 6: Final answer
    x = 59,083.71

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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.