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Finding the Fourth Proportional to 136,200.30, 190,877.25 and 136,200.30

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Solution

The fourth proportional to 136,200.30, 190,877.25 and 136,200.30 is: 190,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,200.30 : 190,877.25 = 136,200.30 : x
  2. Step 2: Convert to fraction form
    136,200.30/190,877.25 = 136,200.30/x
  3. Step 3: Cross multiply
    136,200.30x = 190,877.25 × 136,200.30
  4. Step 4: Simplify right side
    136,200.30x = 25,997,538,713.18
  5. Step 5: Solve for x
    x = 25,997,538,713.18/136,200.30
  6. Step 6: Final answer
    x = 190,877.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.