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Finding the Fourth Proportional to 73,276.30, 102,820.10 and 73,276.30

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Solution

The fourth proportional to 73,276.30, 102,820.10 and 73,276.30 is: 102,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,276.30 : 102,820.10 = 73,276.30 : x
  2. Step 2: Convert to fraction form
    73,276.30/102,820.10 = 73,276.30/x
  3. Step 3: Cross multiply
    73,276.30x = 102,820.10 × 73,276.30
  4. Step 4: Simplify right side
    73,276.30x = 7,534,276,493.63
  5. Step 5: Solve for x
    x = 7,534,276,493.63/73,276.30
  6. Step 6: Final answer
    x = 102,820.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.