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Finding the Fourth Proportional to 185,792.44, 256,394.02 and 100,907.72

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Solution

The fourth proportional to 185,792.44, 256,394.02 and 100,907.72 is: 139,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,792.44 : 256,394.02 = 100,907.72 : x
  2. Step 2: Convert to fraction form
    185,792.44/256,394.02 = 100,907.72/x
  3. Step 3: Cross multiply
    185,792.44x = 256,394.02 × 100,907.72
  4. Step 4: Simplify right side
    185,792.44x = 25,872,135,979.83
  5. Step 5: Solve for x
    x = 25,872,135,979.83/185,792.44
  6. Step 6: Final answer
    x = 139,252.90

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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.