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Finding the Fourth Proportional to 367,122.36, 550,461.72 and 164,681.40

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Solution

The fourth proportional to 367,122.36, 550,461.72 and 164,681.40 is: 246,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,122.36 : 550,461.72 = 164,681.40 : x
  2. Step 2: Convert to fraction form
    367,122.36/550,461.72 = 164,681.40/x
  3. Step 3: Cross multiply
    367,122.36x = 550,461.72 × 164,681.40
  4. Step 4: Simplify right side
    367,122.36x = 90,650,806,696.01
  5. Step 5: Solve for x
    x = 90,650,806,696.01/367,122.36
  6. Step 6: Final answer
    x = 246,922.60

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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.