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Finding the Fourth Proportional to 71,792.73, 99,058.95 and 43,492.95

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Solution

The fourth proportional to 71,792.73, 99,058.95 and 43,492.95 is: 60,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.73 : 99,058.95 = 43,492.95 : x
  2. Step 2: Convert to fraction form
    71,792.73/99,058.95 = 43,492.95/x
  3. Step 3: Cross multiply
    71,792.73x = 99,058.95 × 43,492.95
  4. Step 4: Simplify right side
    71,792.73x = 4,308,365,959.40
  5. Step 5: Solve for x
    x = 4,308,365,959.40/71,792.73
  6. Step 6: Final answer
    x = 60,011.17

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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.