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Finding the Fourth Proportional to 108,783.81, 163,023.84 and 58,756.05

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Solution

The fourth proportional to 108,783.81, 163,023.84 and 58,756.05 is: 88,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,783.81 : 163,023.84 = 58,756.05 : x
  2. Step 2: Convert to fraction form
    108,783.81/163,023.84 = 58,756.05/x
  3. Step 3: Cross multiply
    108,783.81x = 163,023.84 × 58,756.05
  4. Step 4: Simplify right side
    108,783.81x = 9,578,636,894.23
  5. Step 5: Solve for x
    x = 9,578,636,894.23/108,783.81
  6. Step 6: Final answer
    x = 88,052.04

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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.