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Finding the Fourth Proportional to 162,871.56, 224,768.93 and 91,249.13

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Solution

The fourth proportional to 162,871.56, 224,768.93 and 91,249.13 is: 125,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,871.56 : 224,768.93 = 91,249.13 : x
  2. Step 2: Convert to fraction form
    162,871.56/224,768.93 = 91,249.13/x
  3. Step 3: Cross multiply
    162,871.56x = 224,768.93 × 91,249.13
  4. Step 4: Simplify right side
    162,871.56x = 20,509,969,313.53
  5. Step 5: Solve for x
    x = 20,509,969,313.53/162,871.56
  6. Step 6: Final answer
    x = 125,927.26

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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.