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Finding the Fourth Proportional to 61,903.68, 92,843.21 and 30,300.17

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Solution

The fourth proportional to 61,903.68, 92,843.21 and 30,300.17 is: 45,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.68 : 92,843.21 = 30,300.17 : x
  2. Step 2: Convert to fraction form
    61,903.68/92,843.21 = 30,300.17/x
  3. Step 3: Cross multiply
    61,903.68x = 92,843.21 × 30,300.17
  4. Step 4: Simplify right side
    61,903.68x = 2,813,164,430.63
  5. Step 5: Solve for x
    x = 2,813,164,430.63/61,903.68
  6. Step 6: Final answer
    x = 45,444.22

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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.