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Finding the Fourth Proportional to 86,626.64, 129,944.54 and 24,302.00

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Solution

The fourth proportional to 86,626.64, 129,944.54 and 24,302.00 is: 36,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,626.64 : 129,944.54 = 24,302.00 : x
  2. Step 2: Convert to fraction form
    86,626.64/129,944.54 = 24,302.00/x
  3. Step 3: Cross multiply
    86,626.64x = 129,944.54 × 24,302.00
  4. Step 4: Simplify right side
    86,626.64x = 3,157,911,622.11
  5. Step 5: Solve for x
    x = 3,157,911,622.11/86,626.64
  6. Step 6: Final answer
    x = 36,454.28

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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.