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Finding the Fourth Proportional to 186,777.72, 257,754.60 and 101,896.20

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Solution

The fourth proportional to 186,777.72, 257,754.60 and 101,896.20 is: 140,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,777.72 : 257,754.60 = 101,896.20 : x
  2. Step 2: Convert to fraction form
    186,777.72/257,754.60 = 101,896.20/x
  3. Step 3: Cross multiply
    186,777.72x = 257,754.60 × 101,896.20
  4. Step 4: Simplify right side
    186,777.72x = 26,264,214,272.52
  5. Step 5: Solve for x
    x = 26,264,214,272.52/186,777.72
  6. Step 6: Final answer
    x = 140,617.49

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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.