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Finding the Fourth Proportional to 64,092.84, 88,373.10 and 43,686.99

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Solution

The fourth proportional to 64,092.84, 88,373.10 and 43,686.99 is: 60,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,092.84 : 88,373.10 = 43,686.99 : x
  2. Step 2: Convert to fraction form
    64,092.84/88,373.10 = 43,686.99/x
  3. Step 3: Cross multiply
    64,092.84x = 88,373.10 × 43,686.99
  4. Step 4: Simplify right side
    64,092.84x = 3,860,754,075.67
  5. Step 5: Solve for x
    x = 3,860,754,075.67/64,092.84
  6. Step 6: Final answer
    x = 60,236.90

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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.