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Finding the Fourth Proportional to 159,318.96, 219,737.36 and 98,925.36

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Solution

The fourth proportional to 159,318.96, 219,737.36 and 98,925.36 is: 136,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,318.96 : 219,737.36 = 98,925.36 : x
  2. Step 2: Convert to fraction form
    159,318.96/219,737.36 = 98,925.36/x
  3. Step 3: Cross multiply
    159,318.96x = 219,737.36 × 98,925.36
  4. Step 4: Simplify right side
    159,318.96x = 21,737,597,443.45
  5. Step 5: Solve for x
    x = 21,737,597,443.45/159,318.96
  6. Step 6: Final answer
    x = 136,440.74

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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.