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Finding the Fourth Proportional to 162,457.37, 224,190.42 and 90,837.39

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Solution

The fourth proportional to 162,457.37, 224,190.42 and 90,837.39 is: 125,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,457.37 : 224,190.42 = 90,837.39 : x
  2. Step 2: Convert to fraction form
    162,457.37/224,190.42 = 90,837.39/x
  3. Step 3: Cross multiply
    162,457.37x = 224,190.42 × 90,837.39
  4. Step 4: Simplify right side
    162,457.37x = 20,364,872,615.80
  5. Step 5: Solve for x
    x = 20,364,872,615.80/162,457.37
  6. Step 6: Final answer
    x = 125,355.18

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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.