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Finding the Fourth Proportional to 91,924.25, 137,822.06 and 46,959.53

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Solution

The fourth proportional to 91,924.25, 137,822.06 and 46,959.53 is: 70,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,924.25 : 137,822.06 = 46,959.53 : x
  2. Step 2: Convert to fraction form
    91,924.25/137,822.06 = 46,959.53/x
  3. Step 3: Cross multiply
    91,924.25x = 137,822.06 × 46,959.53
  4. Step 4: Simplify right side
    91,924.25x = 6,472,059,161.23
  5. Step 5: Solve for x
    x = 6,472,059,161.23/91,924.25
  6. Step 6: Final answer
    x = 70,406.44

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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.