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Finding the Fourth Proportional to 118,563.01, 163,702.62 and 73,303.04

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Solution

The fourth proportional to 118,563.01, 163,702.62 and 73,303.04 is: 101,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,563.01 : 163,702.62 = 73,303.04 : x
  2. Step 2: Convert to fraction form
    118,563.01/163,702.62 = 73,303.04/x
  3. Step 3: Cross multiply
    118,563.01x = 163,702.62 × 73,303.04
  4. Step 4: Simplify right side
    118,563.01x = 11,999,900,111.22
  5. Step 5: Solve for x
    x = 11,999,900,111.22/118,563.01
  6. Step 6: Final answer
    x = 101,211.16

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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.