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Finding the Fourth Proportional to 73,336.68, 110,005.02 and 68,612.76

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Solution

The fourth proportional to 73,336.68, 110,005.02 and 68,612.76 is: 102,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,336.68 : 110,005.02 = 68,612.76 : x
  2. Step 2: Convert to fraction form
    73,336.68/110,005.02 = 68,612.76/x
  3. Step 3: Cross multiply
    73,336.68x = 110,005.02 × 68,612.76
  4. Step 4: Simplify right side
    73,336.68x = 7,547,748,036.06
  5. Step 5: Solve for x
    x = 7,547,748,036.06/73,336.68
  6. Step 6: Final answer
    x = 102,919.14

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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.