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Finding the Fourth Proportional to 96,817.80, 145,278.30 and 37,655.40

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Solution

The fourth proportional to 96,817.80, 145,278.30 and 37,655.40 is: 56,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,817.80 : 145,278.30 = 37,655.40 : x
  2. Step 2: Convert to fraction form
    96,817.80/145,278.30 = 37,655.40/x
  3. Step 3: Cross multiply
    96,817.80x = 145,278.30 × 37,655.40
  4. Step 4: Simplify right side
    96,817.80x = 5,470,512,497.82
  5. Step 5: Solve for x
    x = 5,470,512,497.82/96,817.80
  6. Step 6: Final answer
    x = 56,503.17

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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.