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Finding the Fourth Proportional to 73,415.79, 101,310.35 and 41,146.47

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Solution

The fourth proportional to 73,415.79, 101,310.35 and 41,146.47 is: 56,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,415.79 : 101,310.35 = 41,146.47 : x
  2. Step 2: Convert to fraction form
    73,415.79/101,310.35 = 41,146.47/x
  3. Step 3: Cross multiply
    73,415.79x = 101,310.35 × 41,146.47
  4. Step 4: Simplify right side
    73,415.79x = 4,168,563,071.23
  5. Step 5: Solve for x
    x = 4,168,563,071.23/73,415.79
  6. Step 6: Final answer
    x = 56,780.20

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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.