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Finding the Fourth Proportional to 159,280.76, 219,802.20 and 95,580.92

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Solution

The fourth proportional to 159,280.76, 219,802.20 and 95,580.92 is: 131,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,280.76 : 219,802.20 = 95,580.92 : x
  2. Step 2: Convert to fraction form
    159,280.76/219,802.20 = 95,580.92/x
  3. Step 3: Cross multiply
    159,280.76x = 219,802.20 × 95,580.92
  4. Step 4: Simplify right side
    159,280.76x = 21,008,896,494.02
  5. Step 5: Solve for x
    x = 21,008,896,494.02/159,280.76
  6. Step 6: Final answer
    x = 131,898.52

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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.