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Finding the Fourth Proportional to 88,914.70, 133,476.23 and 70,207.35

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Solution

The fourth proportional to 88,914.70, 133,476.23 and 70,207.35 is: 105,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,914.70 : 133,476.23 = 70,207.35 : x
  2. Step 2: Convert to fraction form
    88,914.70/133,476.23 = 70,207.35/x
  3. Step 3: Cross multiply
    88,914.70x = 133,476.23 × 70,207.35
  4. Step 4: Simplify right side
    88,914.70x = 9,371,012,396.29
  5. Step 5: Solve for x
    x = 9,371,012,396.29/88,914.70
  6. Step 6: Final answer
    x = 105,393.29

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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.