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Finding the Fourth Proportional to 114,894.75, 158,554.76 and 64,594.11

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Solution

The fourth proportional to 114,894.75, 158,554.76 and 64,594.11 is: 89,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,894.75 : 158,554.76 = 64,594.11 : x
  2. Step 2: Convert to fraction form
    114,894.75/158,554.76 = 64,594.11/x
  3. Step 3: Cross multiply
    114,894.75x = 158,554.76 × 64,594.11
  4. Step 4: Simplify right side
    114,894.75x = 10,241,703,285.49
  5. Step 5: Solve for x
    x = 10,241,703,285.49/114,894.75
  6. Step 6: Final answer
    x = 89,139.87

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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.