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Finding the Fourth Proportional to 186,015.89, 256,703.73 and 101,134.76

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Solution

The fourth proportional to 186,015.89, 256,703.73 and 101,134.76 is: 139,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,015.89 : 256,703.73 = 101,134.76 : x
  2. Step 2: Convert to fraction form
    186,015.89/256,703.73 = 101,134.76/x
  3. Step 3: Cross multiply
    186,015.89x = 256,703.73 × 101,134.76
  4. Step 4: Simplify right side
    186,015.89x = 25,961,670,124.65
  5. Step 5: Solve for x
    x = 25,961,670,124.65/186,015.89
  6. Step 6: Final answer
    x = 139,566.95

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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.