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Finding the Fourth Proportional to 186,028.68, 256,719.24 and 101,145.54

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Solution

The fourth proportional to 186,028.68, 256,719.24 and 101,145.54 is: 139,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028.68 : 256,719.24 = 101,145.54 : x
  2. Step 2: Convert to fraction form
    186,028.68/256,719.24 = 101,145.54/x
  3. Step 3: Cross multiply
    186,028.68x = 256,719.24 × 101,145.54
  4. Step 4: Simplify right side
    186,028.68x = 25,966,006,158.19
  5. Step 5: Solve for x
    x = 25,966,006,158.19/186,028.68
  6. Step 6: Final answer
    x = 139,580.66

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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.