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Finding the Fourth Proportional to 73,648.80, 101,646.89 and 43,437.45

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Solution

The fourth proportional to 73,648.80, 101,646.89 and 43,437.45 is: 59,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.80 : 101,646.89 = 43,437.45 : x
  2. Step 2: Convert to fraction form
    73,648.80/101,646.89 = 43,437.45/x
  3. Step 3: Cross multiply
    73,648.80x = 101,646.89 × 43,437.45
  4. Step 4: Simplify right side
    73,648.80x = 4,415,281,702.03
  5. Step 5: Solve for x
    x = 4,415,281,702.03/73,648.80
  6. Step 6: Final answer
    x = 59,950.49

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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.