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Finding the Fourth Proportional to 207,281.34, 310,811.24 and 74,088.92

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Solution

The fourth proportional to 207,281.34, 310,811.24 and 74,088.92 is: 111,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,281.34 : 310,811.24 = 74,088.92 : x
  2. Step 2: Convert to fraction form
    207,281.34/310,811.24 = 74,088.92/x
  3. Step 3: Cross multiply
    207,281.34x = 310,811.24 × 74,088.92
  4. Step 4: Simplify right side
    207,281.34x = 23,027,670,057.71
  5. Step 5: Solve for x
    x = 23,027,670,057.71/207,281.34
  6. Step 6: Final answer
    x = 111,093.79

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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.