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Finding the Fourth Proportional to 219,967.92, 328,587.21 and 159,516.54

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Solution

The fourth proportional to 219,967.92, 328,587.21 and 159,516.54 is: 238,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,967.92 : 328,587.21 = 159,516.54 : x
  2. Step 2: Convert to fraction form
    219,967.92/328,587.21 = 159,516.54/x
  3. Step 3: Cross multiply
    219,967.92x = 328,587.21 × 159,516.54
  4. Step 4: Simplify right side
    219,967.92x = 52,415,094,827.45
  5. Step 5: Solve for x
    x = 52,415,094,827.45/219,967.92
  6. Step 6: Final answer
    x = 238,285.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.