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Finding the Fourth Proportional to 207,653.64, 311,215.59 and 101,062.91

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Solution

The fourth proportional to 207,653.64, 311,215.59 and 101,062.91 is: 151,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,653.64 : 311,215.59 = 101,062.91 : x
  2. Step 2: Convert to fraction form
    207,653.64/311,215.59 = 101,062.91/x
  3. Step 3: Cross multiply
    207,653.64x = 311,215.59 × 101,062.91
  4. Step 4: Simplify right side
    207,653.64x = 31,452,351,606.69
  5. Step 5: Solve for x
    x = 31,452,351,606.69/207,653.64
  6. Step 6: Final answer
    x = 151,465.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.