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Finding the Fourth Proportional to 162,477.53, 224,239.86 and 90,861.57

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Solution

The fourth proportional to 162,477.53, 224,239.86 and 90,861.57 is: 125,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,477.53 : 224,239.86 = 90,861.57 : x
  2. Step 2: Convert to fraction form
    162,477.53/224,239.86 = 90,861.57/x
  3. Step 3: Cross multiply
    162,477.53x = 224,239.86 × 90,861.57
  4. Step 4: Simplify right side
    162,477.53x = 20,374,785,736.18
  5. Step 5: Solve for x
    x = 20,374,785,736.18/162,477.53
  6. Step 6: Final answer
    x = 125,400.64

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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.