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Finding the Fourth Proportional to 73,312.64, 101,165.28 and 43,098.96

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Solution

The fourth proportional to 73,312.64, 101,165.28 and 43,098.96 is: 59,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.64 : 101,165.28 = 43,098.96 : x
  2. Step 2: Convert to fraction form
    73,312.64/101,165.28 = 43,098.96/x
  3. Step 3: Cross multiply
    73,312.64x = 101,165.28 × 43,098.96
  4. Step 4: Simplify right side
    73,312.64x = 4,360,118,356.11
  5. Step 5: Solve for x
    x = 4,360,118,356.11/73,312.64
  6. Step 6: Final answer
    x = 59,472.94

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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.