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Finding the Fourth Proportional to 70,359.91, 97,093.05 and 38,522.65

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Solution

The fourth proportional to 70,359.91, 97,093.05 and 38,522.65 is: 53,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,359.91 : 97,093.05 = 38,522.65 : x
  2. Step 2: Convert to fraction form
    70,359.91/97,093.05 = 38,522.65/x
  3. Step 3: Cross multiply
    70,359.91x = 97,093.05 × 38,522.65
  4. Step 4: Simplify right side
    70,359.91x = 3,740,281,582.58
  5. Step 5: Solve for x
    x = 3,740,281,582.58/70,359.91
  6. Step 6: Final answer
    x = 53,159.27

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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.