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Finding the Fourth Proportional to 159,104, 219,557.90 and 87,483.52

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Solution

The fourth proportional to 159,104, 219,557.90 and 87,483.52 is: 120,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,104 : 219,557.90 = 87,483.52 : x
  2. Step 2: Convert to fraction form
    159,104/219,557.90 = 87,483.52/x
  3. Step 3: Cross multiply
    159,104x = 219,557.90 × 87,483.52
  4. Step 4: Simplify right side
    159,104x = 19,207,697,935.81
  5. Step 5: Solve for x
    x = 19,207,697,935.81/159,104
  6. Step 6: Final answer
    x = 120,724.17

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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.