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Finding the Fourth Proportional to 70,551.06, 97,362.03 and 40,339.14

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Solution

The fourth proportional to 70,551.06, 97,362.03 and 40,339.14 is: 55,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,551.06 : 97,362.03 = 40,339.14 : x
  2. Step 2: Convert to fraction form
    70,551.06/97,362.03 = 40,339.14/x
  3. Step 3: Cross multiply
    70,551.06x = 97,362.03 × 40,339.14
  4. Step 4: Simplify right side
    70,551.06x = 3,927,500,558.85
  5. Step 5: Solve for x
    x = 3,927,500,558.85/70,551.06
  6. Step 6: Final answer
    x = 55,668.91

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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.