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Finding the Fourth Proportional to 226,710.37, 312,827.29 and 136,047.07

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Solution

The fourth proportional to 226,710.37, 312,827.29 and 136,047.07 is: 187,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,710.37 : 312,827.29 = 136,047.07 : x
  2. Step 2: Convert to fraction form
    226,710.37/312,827.29 = 136,047.07/x
  3. Step 3: Cross multiply
    226,710.37x = 312,827.29 × 136,047.07
  4. Step 4: Simplify right side
    226,710.37x = 42,559,236,220.54
  5. Step 5: Solve for x
    x = 42,559,236,220.54/226,710.37
  6. Step 6: Final answer
    x = 187,725.14

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1.5x scale

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.