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Finding the Fourth Proportional to 108,807.84, 163,059.84 and 58,780.08

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Solution

The fourth proportional to 108,807.84, 163,059.84 and 58,780.08 is: 88,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807.84 : 163,059.84 = 58,780.08 : x
  2. Step 2: Convert to fraction form
    108,807.84/163,059.84 = 58,780.08/x
  3. Step 3: Cross multiply
    108,807.84x = 163,059.84 × 58,780.08
  4. Step 4: Simplify right side
    108,807.84x = 9,584,670,439.99
  5. Step 5: Solve for x
    x = 9,584,670,439.99/108,807.84
  6. Step 6: Final answer
    x = 88,088.05

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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.