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Finding the Fourth Proportional to 72,932.70, 109,396.02 and 23,048.64

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Solution

The fourth proportional to 72,932.70, 109,396.02 and 23,048.64 is: 34,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.70 : 109,396.02 = 23,048.64 : x
  2. Step 2: Convert to fraction form
    72,932.70/109,396.02 = 23,048.64/x
  3. Step 3: Cross multiply
    72,932.70x = 109,396.02 × 23,048.64
  4. Step 4: Simplify right side
    72,932.70x = 2,521,429,482.41
  5. Step 5: Solve for x
    x = 2,521,429,482.41/72,932.70
  6. Step 6: Final answer
    x = 34,572.00

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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.