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Finding the Fourth Proportional to 186,171.04, 256,916.64 and 101,288.08

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Solution

The fourth proportional to 186,171.04, 256,916.64 and 101,288.08 is: 139,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,171.04 : 256,916.64 = 101,288.08 : x
  2. Step 2: Convert to fraction form
    186,171.04/256,916.64 = 101,288.08/x
  3. Step 3: Cross multiply
    186,171.04x = 256,916.64 × 101,288.08
  4. Step 4: Simplify right side
    186,171.04x = 26,022,593,185.65
  5. Step 5: Solve for x
    x = 26,022,593,185.65/186,171.04
  6. Step 6: Final answer
    x = 139,777.88

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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.