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Finding the Fourth Proportional to 222,466.01, 307,025.10 and 126,987.08

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Solution

The fourth proportional to 222,466.01, 307,025.10 and 126,987.08 is: 175,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.01 : 307,025.10 = 126,987.08 : x
  2. Step 2: Convert to fraction form
    222,466.01/307,025.10 = 126,987.08/x
  3. Step 3: Cross multiply
    222,466.01x = 307,025.10 × 126,987.08
  4. Step 4: Simplify right side
    222,466.01x = 38,988,219,400.58
  5. Step 5: Solve for x
    x = 38,988,219,400.58/222,466.01
  6. Step 6: Final answer
    x = 175,254.73

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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.