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Finding the Fourth Proportional to 60,102.82, 89,810.52 and 45,792.66

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Solution

The fourth proportional to 60,102.82, 89,810.52 and 45,792.66 is: 68,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,102.82 : 89,810.52 = 45,792.66 : x
  2. Step 2: Convert to fraction form
    60,102.82/89,810.52 = 45,792.66/x
  3. Step 3: Cross multiply
    60,102.82x = 89,810.52 × 45,792.66
  4. Step 4: Simplify right side
    60,102.82x = 4,112,662,606.78
  5. Step 5: Solve for x
    x = 4,112,662,606.78/60,102.82
  6. Step 6: Final answer
    x = 68,427.12

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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.