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Finding the Fourth Proportional to 273,689.83, 377,673.15 and 151,176.79

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Solution

The fourth proportional to 273,689.83, 377,673.15 and 151,176.79 is: 208,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,689.83 : 377,673.15 = 151,176.79 : x
  2. Step 2: Convert to fraction form
    273,689.83/377,673.15 = 151,176.79/x
  3. Step 3: Cross multiply
    273,689.83x = 377,673.15 × 151,176.79
  4. Step 4: Simplify right side
    273,689.83x = 57,095,414,486.19
  5. Step 5: Solve for x
    x = 57,095,414,486.19/273,689.83
  6. Step 6: Final answer
    x = 208,613.58

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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.