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Finding the Fourth Proportional to 98,861, 148,348.26 and 98,058.56

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Solution

The fourth proportional to 98,861, 148,348.26 and 98,058.56 is: 147,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,861 : 148,348.26 = 98,058.56 : x
  2. Step 2: Convert to fraction form
    98,861/148,348.26 = 98,058.56/x
  3. Step 3: Cross multiply
    98,861x = 148,348.26 × 98,058.56
  4. Step 4: Simplify right side
    98,861x = 14,546,816,754.11
  5. Step 5: Solve for x
    x = 14,546,816,754.11/98,861
  6. Step 6: Final answer
    x = 147,144.14

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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.