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Finding the Fourth Proportional to 244,649.64, 367,029.72 and 86,878.20

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Solution

The fourth proportional to 244,649.64, 367,029.72 and 86,878.20 is: 130,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,649.64 : 367,029.72 = 86,878.20 : x
  2. Step 2: Convert to fraction form
    244,649.64/367,029.72 = 86,878.20/x
  3. Step 3: Cross multiply
    244,649.64x = 367,029.72 × 86,878.20
  4. Step 4: Simplify right side
    244,649.64x = 31,886,881,420.10
  5. Step 5: Solve for x
    x = 31,886,881,420.10/244,649.64
  6. Step 6: Final answer
    x = 130,336.92

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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.