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Finding the Fourth Proportional to 217,077.94, 325,647.48 and 67,330.40

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Solution

The fourth proportional to 217,077.94, 325,647.48 and 67,330.40 is: 101,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,077.94 : 325,647.48 = 67,330.40 : x
  2. Step 2: Convert to fraction form
    217,077.94/325,647.48 = 67,330.40/x
  3. Step 3: Cross multiply
    217,077.94x = 325,647.48 × 67,330.40
  4. Step 4: Simplify right side
    217,077.94x = 21,925,975,087.39
  5. Step 5: Solve for x
    x = 21,925,975,087.39/217,077.94
  6. Step 6: Final answer
    x = 101,005.08

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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.