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Finding the Fourth Proportional to 216,893.92, 299,297.28 and 132,001.60

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Solution

The fourth proportional to 216,893.92, 299,297.28 and 132,001.60 is: 182,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,893.92 : 299,297.28 = 132,001.60 : x
  2. Step 2: Convert to fraction form
    216,893.92/299,297.28 = 132,001.60/x
  3. Step 3: Cross multiply
    216,893.92x = 299,297.28 × 132,001.60
  4. Step 4: Simplify right side
    216,893.92x = 39,507,719,835.65
  5. Step 5: Solve for x
    x = 39,507,719,835.65/216,893.92
  6. Step 6: Final answer
    x = 182,152.27

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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.