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Finding the Fourth Proportional to 207,675.66, 311,513.46 and 49,904.12

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Solution

The fourth proportional to 207,675.66, 311,513.46 and 49,904.12 is: 74,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,675.66 : 311,513.46 = 49,904.12 : x
  2. Step 2: Convert to fraction form
    207,675.66/311,513.46 = 49,904.12/x
  3. Step 3: Cross multiply
    207,675.66x = 311,513.46 × 49,904.12
  4. Step 4: Simplify right side
    207,675.66x = 15,545,803,438.32
  5. Step 5: Solve for x
    x = 15,545,803,438.32/207,675.66
  6. Step 6: Final answer
    x = 74,856.16

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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.