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Finding the Fourth Proportional to 70,346.71, 97,077.82 and 38,081.17

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Solution

The fourth proportional to 70,346.71, 97,077.82 and 38,081.17 is: 52,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.71 : 97,077.82 = 38,081.17 : x
  2. Step 2: Convert to fraction form
    70,346.71/97,077.82 = 38,081.17/x
  3. Step 3: Cross multiply
    70,346.71x = 97,077.82 × 38,081.17
  4. Step 4: Simplify right side
    70,346.71x = 3,696,836,966.65
  5. Step 5: Solve for x
    x = 3,696,836,966.65/70,346.71
  6. Step 6: Final answer
    x = 52,551.67

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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.