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Finding the Fourth Proportional to 185,737.31, 256,315.25 and 100,854.98

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Solution

The fourth proportional to 185,737.31, 256,315.25 and 100,854.98 is: 139,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,737.31 : 256,315.25 = 100,854.98 : x
  2. Step 2: Convert to fraction form
    185,737.31/256,315.25 = 100,854.98/x
  3. Step 3: Cross multiply
    185,737.31x = 256,315.25 × 100,854.98
  4. Step 4: Simplify right side
    185,737.31x = 25,850,669,412.45
  5. Step 5: Solve for x
    x = 25,850,669,412.45/185,737.31
  6. Step 6: Final answer
    x = 139,178.66

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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.