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Finding the Fourth Proportional to 147,991.66, 221,950.56 and 58,052.67

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Solution

The fourth proportional to 147,991.66, 221,950.56 and 58,052.67 is: 87,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,991.66 : 221,950.56 = 58,052.67 : x
  2. Step 2: Convert to fraction form
    147,991.66/221,950.56 = 58,052.67/x
  3. Step 3: Cross multiply
    147,991.66x = 221,950.56 × 58,052.67
  4. Step 4: Simplify right side
    147,991.66x = 12,884,822,001.38
  5. Step 5: Solve for x
    x = 12,884,822,001.38/147,991.66
  6. Step 6: Final answer
    x = 87,064.52

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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.