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Finding the Fourth Proportional to 106,860, 160,239.64 and 62,500.24

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Solution

The fourth proportional to 106,860, 160,239.64 and 62,500.24 is: 93,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860 : 160,239.64 = 62,500.24 : x
  2. Step 2: Convert to fraction form
    106,860/160,239.64 = 62,500.24/x
  3. Step 3: Cross multiply
    106,860x = 160,239.64 × 62,500.24
  4. Step 4: Simplify right side
    106,860x = 10,015,015,957.51
  5. Step 5: Solve for x
    x = 10,015,015,957.51/106,860
  6. Step 6: Final answer
    x = 93,720.91

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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.