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Finding the Fourth Proportional to 216,344.44, 324,547.42 and 66,597.22

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Solution

The fourth proportional to 216,344.44, 324,547.42 and 66,597.22 is: 99,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344.44 : 324,547.42 = 66,597.22 : x
  2. Step 2: Convert to fraction form
    216,344.44/324,547.42 = 66,597.22/x
  3. Step 3: Cross multiply
    216,344.44x = 324,547.42 × 66,597.22
  4. Step 4: Simplify right side
    216,344.44x = 21,613,955,930.17
  5. Step 5: Solve for x
    x = 21,613,955,930.17/216,344.44
  6. Step 6: Final answer
    x = 99,905.30

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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.