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Finding the Fourth Proportional to 205,336.25, 308,127.26 and 88,600.25

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Solution

The fourth proportional to 205,336.25, 308,127.26 and 88,600.25 is: 132,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336.25 : 308,127.26 = 88,600.25 : x
  2. Step 2: Convert to fraction form
    205,336.25/308,127.26 = 88,600.25/x
  3. Step 3: Cross multiply
    205,336.25x = 308,127.26 × 88,600.25
  4. Step 4: Simplify right side
    205,336.25x = 27,300,151,824.81
  5. Step 5: Solve for x
    x = 27,300,151,824.81/205,336.25
  6. Step 6: Final answer
    x = 132,953.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.