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Finding the Fourth Proportional to 292,012.92, 437,831.06 and 114,537.87

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Solution

The fourth proportional to 292,012.92, 437,831.06 and 114,537.87 is: 171,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,012.92 : 437,831.06 = 114,537.87 : x
  2. Step 2: Convert to fraction form
    292,012.92/437,831.06 = 114,537.87/x
  3. Step 3: Cross multiply
    292,012.92x = 437,831.06 × 114,537.87
  4. Step 4: Simplify right side
    292,012.92x = 50,148,236,459.55
  5. Step 5: Solve for x
    x = 50,148,236,459.55/292,012.92
  6. Step 6: Final answer
    x = 171,732.94

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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.