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Finding the Fourth Proportional to 262,095.08, 392,501.10 and 121,893.80

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Solution

The fourth proportional to 262,095.08, 392,501.10 and 121,893.80 is: 182,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,095.08 : 392,501.10 = 121,893.80 : x
  2. Step 2: Convert to fraction form
    262,095.08/392,501.10 = 121,893.80/x
  3. Step 3: Cross multiply
    262,095.08x = 392,501.10 × 121,893.80
  4. Step 4: Simplify right side
    262,095.08x = 47,843,450,583.18
  5. Step 5: Solve for x
    x = 47,843,450,583.18/262,095.08
  6. Step 6: Final answer
    x = 182,542.35

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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.