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Finding the Fourth Proportional to 222,999.68, 307,695.03 and 135,726.32

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Solution

The fourth proportional to 222,999.68, 307,695.03 and 135,726.32 is: 187,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,999.68 : 307,695.03 = 135,726.32 : x
  2. Step 2: Convert to fraction form
    222,999.68/307,695.03 = 135,726.32/x
  3. Step 3: Cross multiply
    222,999.68x = 307,695.03 × 135,726.32
  4. Step 4: Simplify right side
    222,999.68x = 41,762,314,104.19
  5. Step 5: Solve for x
    x = 41,762,314,104.19/222,999.68
  6. Step 6: Final answer
    x = 187,275.22

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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.