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Finding the Fourth Proportional to 88,575, 122,238.36 and 50,851.68

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Solution

The fourth proportional to 88,575, 122,238.36 and 50,851.68 is: 70,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,575 : 122,238.36 = 50,851.68 : x
  2. Step 2: Convert to fraction form
    88,575/122,238.36 = 50,851.68/x
  3. Step 3: Cross multiply
    88,575x = 122,238.36 × 50,851.68
  4. Step 4: Simplify right side
    88,575x = 6,216,025,966.44
  5. Step 5: Solve for x
    x = 6,216,025,966.44/88,575
  6. Step 6: Final answer
    x = 70,178.11

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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.