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Finding the Fourth Proportional to 69,362.95, 95,724.26 and 42,506.95

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Solution

The fourth proportional to 69,362.95, 95,724.26 and 42,506.95 is: 58,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.95 : 95,724.26 = 42,506.95 : x
  2. Step 2: Convert to fraction form
    69,362.95/95,724.26 = 42,506.95/x
  3. Step 3: Cross multiply
    69,362.95x = 95,724.26 × 42,506.95
  4. Step 4: Simplify right side
    69,362.95x = 4,068,946,333.61
  5. Step 5: Solve for x
    x = 4,068,946,333.61/69,362.95
  6. Step 6: Final answer
    x = 58,661.67

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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.