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Finding the Fourth Proportional to 506,062.08, 759,078.54 and 132,085.08

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Solution

The fourth proportional to 506,062.08, 759,078.54 and 132,085.08 is: 198,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,062.08 : 759,078.54 = 132,085.08 : x
  2. Step 2: Convert to fraction form
    506,062.08/759,078.54 = 132,085.08/x
  3. Step 3: Cross multiply
    506,062.08x = 759,078.54 × 132,085.08
  4. Step 4: Simplify right side
    506,062.08x = 100,262,949,682.18
  5. Step 5: Solve for x
    x = 100,262,949,682.18/506,062.08
  6. Step 6: Final answer
    x = 198,123.81

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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.