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Finding the Fourth Proportional to 163,000.52, 224,945.44 and 91,381.74

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Solution

The fourth proportional to 163,000.52, 224,945.44 and 91,381.74 is: 126,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,000.52 : 224,945.44 = 91,381.74 : x
  2. Step 2: Convert to fraction form
    163,000.52/224,945.44 = 91,381.74/x
  3. Step 3: Cross multiply
    163,000.52x = 224,945.44 × 91,381.74
  4. Step 4: Simplify right side
    163,000.52x = 20,555,905,712.27
  5. Step 5: Solve for x
    x = 20,555,905,712.27/163,000.52
  6. Step 6: Final answer
    x = 126,109.45

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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.