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Finding the Fourth Proportional to 185,001.95, 255,303 and 100,119.08

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Solution

The fourth proportional to 185,001.95, 255,303 and 100,119.08 is: 138,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,001.95 : 255,303 = 100,119.08 : x
  2. Step 2: Convert to fraction form
    185,001.95/255,303 = 100,119.08/x
  3. Step 3: Cross multiply
    185,001.95x = 255,303 × 100,119.08
  4. Step 4: Simplify right side
    185,001.95x = 25,560,701,481.24
  5. Step 5: Solve for x
    x = 25,560,701,481.24/185,001.95
  6. Step 6: Final answer
    x = 138,164.50

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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.