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Finding the Fourth Proportional to 107,468.94, 148,150.83 and 75,103.08

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Solution

The fourth proportional to 107,468.94, 148,150.83 and 75,103.08 is: 103,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,468.94 : 148,150.83 = 75,103.08 : x
  2. Step 2: Convert to fraction form
    107,468.94/148,150.83 = 75,103.08/x
  3. Step 3: Cross multiply
    107,468.94x = 148,150.83 × 75,103.08
  4. Step 4: Simplify right side
    107,468.94x = 11,126,582,574.05
  5. Step 5: Solve for x
    x = 11,126,582,574.05/107,468.94
  6. Step 6: Final answer
    x = 103,533.01

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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.