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Finding the Fourth Proportional to 162,538.50, 224,313.08 and 90,923.34

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Solution

The fourth proportional to 162,538.50, 224,313.08 and 90,923.34 is: 125,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,538.50 : 224,313.08 = 90,923.34 : x
  2. Step 2: Convert to fraction form
    162,538.50/224,313.08 = 90,923.34/x
  3. Step 3: Cross multiply
    162,538.50x = 224,313.08 × 90,923.34
  4. Step 4: Simplify right side
    162,538.50x = 20,395,293,984.67
  5. Step 5: Solve for x
    x = 20,395,293,984.67/162,538.50
  6. Step 6: Final answer
    x = 125,479.77

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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.