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Finding the Fourth Proportional to 110,801.10, 166,201.65 and 93,305.10

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Solution

The fourth proportional to 110,801.10, 166,201.65 and 93,305.10 is: 139,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,801.10 : 166,201.65 = 93,305.10 : x
  2. Step 2: Convert to fraction form
    110,801.10/166,201.65 = 93,305.10/x
  3. Step 3: Cross multiply
    110,801.10x = 166,201.65 × 93,305.10
  4. Step 4: Simplify right side
    110,801.10x = 15,507,461,573.42
  5. Step 5: Solve for x
    x = 15,507,461,573.42/110,801.10
  6. Step 6: Final answer
    x = 139,957.65

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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.