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Finding the Fourth Proportional to 217,116.39, 325,594.62 and 74,925.39

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Solution

The fourth proportional to 217,116.39, 325,594.62 and 74,925.39 is: 112,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,116.39 : 325,594.62 = 74,925.39 : x
  2. Step 2: Convert to fraction form
    217,116.39/325,594.62 = 74,925.39/x
  3. Step 3: Cross multiply
    217,116.39x = 325,594.62 × 74,925.39
  4. Step 4: Simplify right side
    217,116.39x = 24,395,303,885.40
  5. Step 5: Solve for x
    x = 24,395,303,885.40/217,116.39
  6. Step 6: Final answer
    x = 112,360.49

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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.