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Finding the Fourth Proportional to 98,722.62, 148,083.93 and 46,169.01

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Solution

The fourth proportional to 98,722.62, 148,083.93 and 46,169.01 is: 69,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.62 : 148,083.93 = 46,169.01 : x
  2. Step 2: Convert to fraction form
    98,722.62/148,083.93 = 46,169.01/x
  3. Step 3: Cross multiply
    98,722.62x = 148,083.93 × 46,169.01
  4. Step 4: Simplify right side
    98,722.62x = 6,836,888,445.01
  5. Step 5: Solve for x
    x = 6,836,888,445.01/98,722.62
  6. Step 6: Final answer
    x = 69,253.52

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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.