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Finding the Fourth Proportional to 225,236, 310,827.92 and 124,636.16

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Solution

The fourth proportional to 225,236, 310,827.92 and 124,636.16 is: 171,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,236 : 310,827.92 = 124,636.16 : x
  2. Step 2: Convert to fraction form
    225,236/310,827.92 = 124,636.16/x
  3. Step 3: Cross multiply
    225,236x = 310,827.92 × 124,636.16
  4. Step 4: Simplify right side
    225,236x = 38,740,398,369.59
  5. Step 5: Solve for x
    x = 38,740,398,369.59/225,236
  6. Step 6: Final answer
    x = 171,999.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.