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Finding the Fourth Proportional to 112,537.92, 168,831.84 and 42,417.84

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Solution

The fourth proportional to 112,537.92, 168,831.84 and 42,417.84 is: 63,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,537.92 : 168,831.84 = 42,417.84 : x
  2. Step 2: Convert to fraction form
    112,537.92/168,831.84 = 42,417.84/x
  3. Step 3: Cross multiply
    112,537.92x = 168,831.84 × 42,417.84
  4. Step 4: Simplify right side
    112,537.92x = 7,161,481,976.03
  5. Step 5: Solve for x
    x = 7,161,481,976.03/112,537.92
  6. Step 6: Final answer
    x = 63,636.17

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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.