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Finding the Fourth Proportional to 193,509.01, 267,043.09 and 107,468.21

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Solution

The fourth proportional to 193,509.01, 267,043.09 and 107,468.21 is: 148,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,509.01 : 267,043.09 = 107,468.21 : x
  2. Step 2: Convert to fraction form
    193,509.01/267,043.09 = 107,468.21/x
  3. Step 3: Cross multiply
    193,509.01x = 267,043.09 × 107,468.21
  4. Step 4: Simplify right side
    193,509.01x = 28,698,643,274.11
  5. Step 5: Solve for x
    x = 28,698,643,274.11/193,509.01
  6. Step 6: Final answer
    x = 148,306.50

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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.