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Finding the Fourth Proportional to 299,199.51, 412,854.39 and 171,875.07

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Solution

The fourth proportional to 299,199.51, 412,854.39 and 171,875.07 is: 237,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,199.51 : 412,854.39 = 171,875.07 : x
  2. Step 2: Convert to fraction form
    299,199.51/412,854.39 = 171,875.07/x
  3. Step 3: Cross multiply
    299,199.51x = 412,854.39 × 171,875.07
  4. Step 4: Simplify right side
    299,199.51x = 70,959,377,181.06
  5. Step 5: Solve for x
    x = 70,959,377,181.06/299,199.51
  6. Step 6: Final answer
    x = 237,164.08

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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.