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Finding the Fourth Proportional to 70,553.61, 97,356 and 41,862.99

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Solution

The fourth proportional to 70,553.61, 97,356 and 41,862.99 is: 57,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,553.61 : 97,356 = 41,862.99 : x
  2. Step 2: Convert to fraction form
    70,553.61/97,356 = 41,862.99/x
  3. Step 3: Cross multiply
    70,553.61x = 97,356 × 41,862.99
  4. Step 4: Simplify right side
    70,553.61x = 4,075,613,254.44
  5. Step 5: Solve for x
    x = 4,075,613,254.44/70,553.61
  6. Step 6: Final answer
    x = 57,766.19

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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.