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Finding the Fourth Proportional to 60,999.66, 91,530.81 and 46,203.66

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Solution

The fourth proportional to 60,999.66, 91,530.81 and 46,203.66 is: 69,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,999.66 : 91,530.81 = 46,203.66 : x
  2. Step 2: Convert to fraction form
    60,999.66/91,530.81 = 46,203.66/x
  3. Step 3: Cross multiply
    60,999.66x = 91,530.81 × 46,203.66
  4. Step 4: Simplify right side
    60,999.66x = 4,229,058,424.76
  5. Step 5: Solve for x
    x = 4,229,058,424.76/60,999.66
  6. Step 6: Final answer
    x = 69,329.21

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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.