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Finding the Fourth Proportional to 159,368.66, 219,929.40 and 95,707.52

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Solution

The fourth proportional to 159,368.66, 219,929.40 and 95,707.52 is: 132,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,368.66 : 219,929.40 = 95,707.52 : x
  2. Step 2: Convert to fraction form
    159,368.66/219,929.40 = 95,707.52/x
  3. Step 3: Cross multiply
    159,368.66x = 219,929.40 × 95,707.52
  4. Step 4: Simplify right side
    159,368.66x = 21,048,896,349.44
  5. Step 5: Solve for x
    x = 21,048,896,349.44/159,368.66
  6. Step 6: Final answer
    x = 132,076.76

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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.