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Finding the Fourth Proportional to 118,106.08, 163,001.10 and 67,804

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Solution

The fourth proportional to 118,106.08, 163,001.10 and 67,804 is: 93,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.08 : 163,001.10 = 67,804 : x
  2. Step 2: Convert to fraction form
    118,106.08/163,001.10 = 67,804/x
  3. Step 3: Cross multiply
    118,106.08x = 163,001.10 × 67,804
  4. Step 4: Simplify right side
    118,106.08x = 11,052,126,584.40
  5. Step 5: Solve for x
    x = 11,052,126,584.40/118,106.08
  6. Step 6: Final answer
    x = 93,577.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.