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Finding the Fourth Proportional to 69,689.79, 96,172.08 and 37,858.02

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Solution

The fourth proportional to 69,689.79, 96,172.08 and 37,858.02 is: 52,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,689.79 : 96,172.08 = 37,858.02 : x
  2. Step 2: Convert to fraction form
    69,689.79/96,172.08 = 37,858.02/x
  3. Step 3: Cross multiply
    69,689.79x = 96,172.08 × 37,858.02
  4. Step 4: Simplify right side
    69,689.79x = 3,640,884,528.08
  5. Step 5: Solve for x
    x = 3,640,884,528.08/69,689.79
  6. Step 6: Final answer
    x = 52,244.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.