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Finding the Fourth Proportional to 98,967.62, 148,428.66 and 58,997.89

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Solution

The fourth proportional to 98,967.62, 148,428.66 and 58,997.89 is: 88,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,967.62 : 148,428.66 = 58,997.89 : x
  2. Step 2: Convert to fraction form
    98,967.62/148,428.66 = 58,997.89/x
  3. Step 3: Cross multiply
    98,967.62x = 148,428.66 × 58,997.89
  4. Step 4: Simplify right side
    98,967.62x = 8,756,977,755.53
  5. Step 5: Solve for x
    x = 8,756,977,755.53/98,967.62
  6. Step 6: Final answer
    x = 88,483.26

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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.