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Finding the Fourth Proportional to 70,681.73, 106,011.45 and 58,750.49

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Solution

The fourth proportional to 70,681.73, 106,011.45 and 58,750.49 is: 88,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.73 : 106,011.45 = 58,750.49 : x
  2. Step 2: Convert to fraction form
    70,681.73/106,011.45 = 58,750.49/x
  3. Step 3: Cross multiply
    70,681.73x = 106,011.45 × 58,750.49
  4. Step 4: Simplify right side
    70,681.73x = 6,228,224,898.14
  5. Step 5: Solve for x
    x = 6,228,224,898.14/70,681.73
  6. Step 6: Final answer
    x = 88,116.48

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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.