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Finding the Fourth Proportional to 100,795.01, 139,089.95 and 59,956.89

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Solution

The fourth proportional to 100,795.01, 139,089.95 and 59,956.89 is: 82,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,795.01 : 139,089.95 = 59,956.89 : x
  2. Step 2: Convert to fraction form
    100,795.01/139,089.95 = 59,956.89/x
  3. Step 3: Cross multiply
    100,795.01x = 139,089.95 × 59,956.89
  4. Step 4: Simplify right side
    100,795.01x = 8,339,401,019.81
  5. Step 5: Solve for x
    x = 8,339,401,019.81/100,795.01
  6. Step 6: Final answer
    x = 82,736.25

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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.