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Finding the Fourth Proportional to 60,940.34, 90,744.64 and 58,698.32

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Solution

The fourth proportional to 60,940.34, 90,744.64 and 58,698.32 is: 87,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.34 : 90,744.64 = 58,698.32 : x
  2. Step 2: Convert to fraction form
    60,940.34/90,744.64 = 58,698.32/x
  3. Step 3: Cross multiply
    60,940.34x = 90,744.64 × 58,698.32
  4. Step 4: Simplify right side
    60,940.34x = 5,326,557,917.00
  5. Step 5: Solve for x
    x = 5,326,557,917.00/60,940.34
  6. Step 6: Final answer
    x = 87,406.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.