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Finding the Fourth Proportional to 58,809.20, 88,204.80 and 19,366.40

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Solution

The fourth proportional to 58,809.20, 88,204.80 and 19,366.40 is: 29,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.20 : 88,204.80 = 19,366.40 : x
  2. Step 2: Convert to fraction form
    58,809.20/88,204.80 = 19,366.40/x
  3. Step 3: Cross multiply
    58,809.20x = 88,204.80 × 19,366.40
  4. Step 4: Simplify right side
    58,809.20x = 1,708,209,438.72
  5. Step 5: Solve for x
    x = 1,708,209,438.72/58,809.20
  6. Step 6: Final answer
    x = 29,046.64

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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.