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Finding the Fourth Proportional to 292,347.83, 438,520.94 and 114,730.63

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Solution

The fourth proportional to 292,347.83, 438,520.94 and 114,730.63 is: 172,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,347.83 : 438,520.94 = 114,730.63 : x
  2. Step 2: Convert to fraction form
    292,347.83/438,520.94 = 114,730.63/x
  3. Step 3: Cross multiply
    292,347.83x = 438,520.94 × 114,730.63
  4. Step 4: Simplify right side
    292,347.83x = 50,311,782,474.68
  5. Step 5: Solve for x
    x = 50,311,782,474.68/292,347.83
  6. Step 6: Final answer
    x = 172,095.62

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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.