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Finding the Fourth Proportional to 73,270.61, 101,065.61 and 46,385.09

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Solution

The fourth proportional to 73,270.61, 101,065.61 and 46,385.09 is: 63,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,270.61 : 101,065.61 = 46,385.09 : x
  2. Step 2: Convert to fraction form
    73,270.61/101,065.61 = 46,385.09/x
  3. Step 3: Cross multiply
    73,270.61x = 101,065.61 × 46,385.09
  4. Step 4: Simplify right side
    73,270.61x = 4,687,937,026.39
  5. Step 5: Solve for x
    x = 4,687,937,026.39/73,270.61
  6. Step 6: Final answer
    x = 63,981.14

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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.