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Finding the Fourth Proportional to 144,672.16, 216,749.04 and 51,118.24

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Solution

The fourth proportional to 144,672.16, 216,749.04 and 51,118.24 is: 76,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,672.16 : 216,749.04 = 51,118.24 : x
  2. Step 2: Convert to fraction form
    144,672.16/216,749.04 = 51,118.24/x
  3. Step 3: Cross multiply
    144,672.16x = 216,749.04 × 51,118.24
  4. Step 4: Simplify right side
    144,672.16x = 11,079,829,446.49
  5. Step 5: Solve for x
    x = 11,079,829,446.49/144,672.16
  6. Step 6: Final answer
    x = 76,585.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.