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Finding the Fourth Proportional to 68,600.79, 94,662.63 and 42,756.93

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Solution

The fourth proportional to 68,600.79, 94,662.63 and 42,756.93 is: 59,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.79 : 94,662.63 = 42,756.93 : x
  2. Step 2: Convert to fraction form
    68,600.79/94,662.63 = 42,756.93/x
  3. Step 3: Cross multiply
    68,600.79x = 94,662.63 × 42,756.93
  4. Step 4: Simplify right side
    68,600.79x = 4,047,483,444.53
  5. Step 5: Solve for x
    x = 4,047,483,444.53/68,600.79
  6. Step 6: Final answer
    x = 59,000.54

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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.