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Finding the Fourth Proportional to 88,412, 132,619.22 and 49,046

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Solution

The fourth proportional to 88,412, 132,619.22 and 49,046 is: 73,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,412 : 132,619.22 = 49,046 : x
  2. Step 2: Convert to fraction form
    88,412/132,619.22 = 49,046/x
  3. Step 3: Cross multiply
    88,412x = 132,619.22 × 49,046
  4. Step 4: Simplify right side
    88,412x = 6,504,442,018.89
  5. Step 5: Solve for x
    x = 6,504,442,018.89/88,412
  6. Step 6: Final answer
    x = 73,569.67

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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.