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Finding the Fourth Proportional to 88,703.50, 122,431.40 and 58,494.28

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Solution

The fourth proportional to 88,703.50, 122,431.40 and 58,494.28 is: 80,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,703.50 : 122,431.40 = 58,494.28 : x
  2. Step 2: Convert to fraction form
    88,703.50/122,431.40 = 58,494.28/x
  3. Step 3: Cross multiply
    88,703.50x = 122,431.40 × 58,494.28
  4. Step 4: Simplify right side
    88,703.50x = 7,161,536,592.39
  5. Step 5: Solve for x
    x = 7,161,536,592.39/88,703.50
  6. Step 6: Final answer
    x = 80,735.67

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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.