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Finding the Fourth Proportional to 162,472.76, 224,268.88 and 111,653.76

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Solution

The fourth proportional to 162,472.76, 224,268.88 and 111,653.76 is: 154,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,472.76 : 224,268.88 = 111,653.76 : x
  2. Step 2: Convert to fraction form
    162,472.76/224,268.88 = 111,653.76/x
  3. Step 3: Cross multiply
    162,472.76x = 224,268.88 × 111,653.76
  4. Step 4: Simplify right side
    162,472.76x = 25,040,463,702.99
  5. Step 5: Solve for x
    x = 25,040,463,702.99/162,472.76
  6. Step 6: Final answer
    x = 154,121.00

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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.