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Finding the Fourth Proportional to 99,254.79, 148,866.51 and 82,495.39

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Solution

The fourth proportional to 99,254.79, 148,866.51 and 82,495.39 is: 123,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.79 : 148,866.51 = 82,495.39 : x
  2. Step 2: Convert to fraction form
    99,254.79/148,866.51 = 82,495.39/x
  3. Step 3: Cross multiply
    99,254.79x = 148,866.51 × 82,495.39
  4. Step 4: Simplify right side
    99,254.79x = 12,280,800,133.98
  5. Step 5: Solve for x
    x = 12,280,800,133.98/99,254.79
  6. Step 6: Final answer
    x = 123,730.05

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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.