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Finding the Fourth Proportional to 88,713.36, 122,424.48 and 50,985.36

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Solution

The fourth proportional to 88,713.36, 122,424.48 and 50,985.36 is: 70,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,713.36 : 122,424.48 = 50,985.36 : x
  2. Step 2: Convert to fraction form
    88,713.36/122,424.48 = 50,985.36/x
  3. Step 3: Cross multiply
    88,713.36x = 122,424.48 × 50,985.36
  4. Step 4: Simplify right side
    88,713.36x = 6,241,856,185.61
  5. Step 5: Solve for x
    x = 6,241,856,185.61/88,713.36
  6. Step 6: Final answer
    x = 70,359.82

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1.5x scale

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.