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Finding the Fourth Proportional to 108,684.86, 163,074.20 and 58,800.08

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Solution

The fourth proportional to 108,684.86, 163,074.20 and 58,800.08 is: 88,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,684.86 : 163,074.20 = 58,800.08 : x
  2. Step 2: Convert to fraction form
    108,684.86/163,074.20 = 58,800.08/x
  3. Step 3: Cross multiply
    108,684.86x = 163,074.20 × 58,800.08
  4. Step 4: Simplify right side
    108,684.86x = 9,588,776,005.94
  5. Step 5: Solve for x
    x = 9,588,776,005.94/108,684.86
  6. Step 6: Final answer
    x = 88,225.50

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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.