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Finding the Fourth Proportional to 109,346.76, 150,895.44 and 61,599.96

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Solution

The fourth proportional to 109,346.76, 150,895.44 and 61,599.96 is: 85,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346.76 : 150,895.44 = 61,599.96 : x
  2. Step 2: Convert to fraction form
    109,346.76/150,895.44 = 61,599.96/x
  3. Step 3: Cross multiply
    109,346.76x = 150,895.44 × 61,599.96
  4. Step 4: Simplify right side
    109,346.76x = 9,295,153,068.18
  5. Step 5: Solve for x
    x = 9,295,153,068.18/109,346.76
  6. Step 6: Final answer
    x = 85,006.20

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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.