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Finding the Fourth Proportional to 102,662.01, 153,966.27 and 43,467.21

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Solution

The fourth proportional to 102,662.01, 153,966.27 and 43,467.21 is: 65,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,662.01 : 153,966.27 = 43,467.21 : x
  2. Step 2: Convert to fraction form
    102,662.01/153,966.27 = 43,467.21/x
  3. Step 3: Cross multiply
    102,662.01x = 153,966.27 × 43,467.21
  4. Step 4: Simplify right side
    102,662.01x = 6,692,484,191.01
  5. Step 5: Solve for x
    x = 6,692,484,191.01/102,662.01
  6. Step 6: Final answer
    x = 65,189.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.