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Finding the Fourth Proportional to 186,059.28, 256,751.28 and 101,176.32

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Solution

The fourth proportional to 186,059.28, 256,751.28 and 101,176.32 is: 139,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,059.28 : 256,751.28 = 101,176.32 : x
  2. Step 2: Convert to fraction form
    186,059.28/256,751.28 = 101,176.32/x
  3. Step 3: Cross multiply
    186,059.28x = 256,751.28 × 101,176.32
  4. Step 4: Simplify right side
    186,059.28x = 25,977,149,665.69
  5. Step 5: Solve for x
    x = 25,977,149,665.69/186,059.28
  6. Step 6: Final answer
    x = 139,617.60

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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.