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Finding the Fourth Proportional to 88,393.68, 122,102.64 and 82,095.12

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Solution

The fourth proportional to 88,393.68, 122,102.64 and 82,095.12 is: 113,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,393.68 : 122,102.64 = 82,095.12 : x
  2. Step 2: Convert to fraction form
    88,393.68/122,102.64 = 82,095.12/x
  3. Step 3: Cross multiply
    88,393.68x = 122,102.64 × 82,095.12
  4. Step 4: Simplify right side
    88,393.68x = 10,024,030,883.12
  5. Step 5: Solve for x
    x = 10,024,030,883.12/88,393.68
  6. Step 6: Final answer
    x = 113,402.12

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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.