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Finding the Fourth Proportional to 163,176.53, 225,184.25 and 91,551.87

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Solution

The fourth proportional to 163,176.53, 225,184.25 and 91,551.87 is: 126,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,176.53 : 225,184.25 = 91,551.87 : x
  2. Step 2: Convert to fraction form
    163,176.53/225,184.25 = 91,551.87/x
  3. Step 3: Cross multiply
    163,176.53x = 225,184.25 × 91,551.87
  4. Step 4: Simplify right side
    163,176.53x = 20,616,039,410.93
  5. Step 5: Solve for x
    x = 20,616,039,410.93/163,176.53
  6. Step 6: Final answer
    x = 126,341.94

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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.