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Finding the Fourth Proportional to 169,240.16, 253,917.12 and 64,088.48

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Solution

The fourth proportional to 169,240.16, 253,917.12 and 64,088.48 is: 96,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,240.16 : 253,917.12 = 64,088.48 : x
  2. Step 2: Convert to fraction form
    169,240.16/253,917.12 = 64,088.48/x
  3. Step 3: Cross multiply
    169,240.16x = 253,917.12 × 64,088.48
  4. Step 4: Simplify right side
    169,240.16x = 16,273,162,266.78
  5. Step 5: Solve for x
    x = 16,273,162,266.78/169,240.16
  6. Step 6: Final answer
    x = 96,154.26

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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.