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Finding the Fourth Proportional to 216,904.71, 325,393.52 and 74,744.18

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Solution

The fourth proportional to 216,904.71, 325,393.52 and 74,744.18 is: 112,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,904.71 : 325,393.52 = 74,744.18 : x
  2. Step 2: Convert to fraction form
    216,904.71/325,393.52 = 74,744.18/x
  3. Step 3: Cross multiply
    216,904.71x = 325,393.52 × 74,744.18
  4. Step 4: Simplify right side
    216,904.71x = 24,321,269,829.03
  5. Step 5: Solve for x
    x = 24,321,269,829.03/216,904.71
  6. Step 6: Final answer
    x = 112,128.82

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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.