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Finding the Fourth Proportional to 88,890.29, 133,335.44 and 35,606.46

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Solution

The fourth proportional to 88,890.29, 133,335.44 and 35,606.46 is: 53,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890.29 : 133,335.44 = 35,606.46 : x
  2. Step 2: Convert to fraction form
    88,890.29/133,335.44 = 35,606.46/x
  3. Step 3: Cross multiply
    88,890.29x = 133,335.44 × 35,606.46
  4. Step 4: Simplify right side
    88,890.29x = 4,747,602,832.91
  5. Step 5: Solve for x
    x = 4,747,602,832.91/88,890.29
  6. Step 6: Final answer
    x = 53,409.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.