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Finding the Fourth Proportional to 162,493.63, 224,252.62 and 90,880.31

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Solution

The fourth proportional to 162,493.63, 224,252.62 and 90,880.31 is: 125,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,493.63 : 224,252.62 = 90,880.31 : x
  2. Step 2: Convert to fraction form
    162,493.63/224,252.62 = 90,880.31/x
  3. Step 3: Cross multiply
    162,493.63x = 224,252.62 × 90,880.31
  4. Step 4: Simplify right side
    162,493.63x = 20,380,147,957.34
  5. Step 5: Solve for x
    x = 20,380,147,957.34/162,493.63
  6. Step 6: Final answer
    x = 125,421.21

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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.