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Finding the Fourth Proportional to 99,254.75, 136,956.15 and 58,967.48

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Solution

The fourth proportional to 99,254.75, 136,956.15 and 58,967.48 is: 81,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.75 : 136,956.15 = 58,967.48 : x
  2. Step 2: Convert to fraction form
    99,254.75/136,956.15 = 58,967.48/x
  3. Step 3: Cross multiply
    99,254.75x = 136,956.15 × 58,967.48
  4. Step 4: Simplify right side
    99,254.75x = 8,075,959,378.39
  5. Step 5: Solve for x
    x = 8,075,959,378.39/99,254.75
  6. Step 6: Final answer
    x = 81,365.98

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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.