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Finding the Fourth Proportional to 186,137.58, 256,872.43 and 101,254.65

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Solution

The fourth proportional to 186,137.58, 256,872.43 and 101,254.65 is: 139,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,137.58 : 256,872.43 = 101,254.65 : x
  2. Step 2: Convert to fraction form
    186,137.58/256,872.43 = 101,254.65/x
  3. Step 3: Cross multiply
    186,137.58x = 256,872.43 × 101,254.65
  4. Step 4: Simplify right side
    186,137.58x = 26,009,527,994.30
  5. Step 5: Solve for x
    x = 26,009,527,994.30/186,137.58
  6. Step 6: Final answer
    x = 139,732.81

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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.