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Finding the Fourth Proportional to 98,967.37, 148,428.29 and 58,997.64

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Solution

The fourth proportional to 98,967.37, 148,428.29 and 58,997.64 is: 88,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,967.37 : 148,428.29 = 58,997.64 : x
  2. Step 2: Convert to fraction form
    98,967.37/148,428.29 = 58,997.64/x
  3. Step 3: Cross multiply
    98,967.37x = 148,428.29 × 58,997.64
  4. Step 4: Simplify right side
    98,967.37x = 8,756,918,524.25
  5. Step 5: Solve for x
    x = 8,756,918,524.25/98,967.37
  6. Step 6: Final answer
    x = 88,482.89

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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.