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Finding the Fourth Proportional to 99,873.44, 148,700.92 and 98,478.44

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Solution

The fourth proportional to 99,873.44, 148,700.92 and 98,478.44 is: 146,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,873.44 : 148,700.92 = 98,478.44 : x
  2. Step 2: Convert to fraction form
    99,873.44/148,700.92 = 98,478.44/x
  3. Step 3: Cross multiply
    99,873.44x = 148,700.92 × 98,478.44
  4. Step 4: Simplify right side
    99,873.44x = 14,643,834,628.16
  5. Step 5: Solve for x
    x = 14,643,834,628.16/99,873.44
  6. Step 6: Final answer
    x = 146,623.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.