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Finding the Fourth Proportional to 228,177.25, 314,880.01 and 126,207.01

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Solution

The fourth proportional to 228,177.25, 314,880.01 and 126,207.01 is: 174,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,177.25 : 314,880.01 = 126,207.01 : x
  2. Step 2: Convert to fraction form
    228,177.25/314,880.01 = 126,207.01/x
  3. Step 3: Cross multiply
    228,177.25x = 314,880.01 × 126,207.01
  4. Step 4: Simplify right side
    228,177.25x = 39,740,064,648.95
  5. Step 5: Solve for x
    x = 39,740,064,648.95/228,177.25
  6. Step 6: Final answer
    x = 174,163.13

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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.