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Finding the Fourth Proportional to 181,801.90, 272,702.85 and 48,702.70

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Solution

The fourth proportional to 181,801.90, 272,702.85 and 48,702.70 is: 73,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,801.90 : 272,702.85 = 48,702.70 : x
  2. Step 2: Convert to fraction form
    181,801.90/272,702.85 = 48,702.70/x
  3. Step 3: Cross multiply
    181,801.90x = 272,702.85 × 48,702.70
  4. Step 4: Simplify right side
    181,801.90x = 13,281,365,092.70
  5. Step 5: Solve for x
    x = 13,281,365,092.70/181,801.90
  6. Step 6: Final answer
    x = 73,054.05

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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.