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Finding the Fourth Proportional to 200,921.51, 301,452.44 and 125,952.98

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Solution

The fourth proportional to 200,921.51, 301,452.44 and 125,952.98 is: 188,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,921.51 : 301,452.44 = 125,952.98 : x
  2. Step 2: Convert to fraction form
    200,921.51/301,452.44 = 125,952.98/x
  3. Step 3: Cross multiply
    200,921.51x = 301,452.44 × 125,952.98
  4. Step 4: Simplify right side
    200,921.51x = 37,968,831,009.24
  5. Step 5: Solve for x
    x = 37,968,831,009.24/200,921.51
  6. Step 6: Final answer
    x = 188,973.45

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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.