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Finding the Fourth Proportional to 203,293.73, 280,554.27 and 112,649.48

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Solution

The fourth proportional to 203,293.73, 280,554.27 and 112,649.48 is: 155,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,293.73 : 280,554.27 = 112,649.48 : x
  2. Step 2: Convert to fraction form
    203,293.73/280,554.27 = 112,649.48/x
  3. Step 3: Cross multiply
    203,293.73x = 280,554.27 × 112,649.48
  4. Step 4: Simplify right side
    203,293.73x = 31,604,291,224.51
  5. Step 5: Solve for x
    x = 31,604,291,224.51/203,293.73
  6. Step 6: Final answer
    x = 155,461.22

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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.