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Finding the Fourth Proportional to 118,798.52, 163,879.86 and 73,462.04

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Solution

The fourth proportional to 118,798.52, 163,879.86 and 73,462.04 is: 101,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,798.52 : 163,879.86 = 73,462.04 : x
  2. Step 2: Convert to fraction form
    118,798.52/163,879.86 = 73,462.04/x
  3. Step 3: Cross multiply
    118,798.52x = 163,879.86 × 73,462.04
  4. Step 4: Simplify right side
    118,798.52x = 12,038,948,830.51
  5. Step 5: Solve for x
    x = 12,038,948,830.51/118,798.52
  6. Step 6: Final answer
    x = 101,339.22

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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.