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Finding the Fourth Proportional to 186,020.56, 256,710.90 and 101,137.42

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Solution

The fourth proportional to 186,020.56, 256,710.90 and 101,137.42 is: 139,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,020.56 : 256,710.90 = 101,137.42 : x
  2. Step 2: Convert to fraction form
    186,020.56/256,710.90 = 101,137.42/x
  3. Step 3: Cross multiply
    186,020.56x = 256,710.90 × 101,137.42
  4. Step 4: Simplify right side
    186,020.56x = 25,963,078,111.88
  5. Step 5: Solve for x
    x = 25,963,078,111.88/186,020.56
  6. Step 6: Final answer
    x = 139,571.01

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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.