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Finding the Fourth Proportional to 67,719.70, 93,406.94 and 46,462.06

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Solution

The fourth proportional to 67,719.70, 93,406.94 and 46,462.06 is: 64,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.70 : 93,406.94 = 46,462.06 : x
  2. Step 2: Convert to fraction form
    67,719.70/93,406.94 = 46,462.06/x
  3. Step 3: Cross multiply
    67,719.70x = 93,406.94 × 46,462.06
  4. Step 4: Simplify right side
    67,719.70x = 4,339,878,618.39
  5. Step 5: Solve for x
    x = 4,339,878,618.39/67,719.70
  6. Step 6: Final answer
    x = 64,085.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.