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Finding the Fourth Proportional to 245,255.90, 367,541.33 and 118,862.60

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Solution

The fourth proportional to 245,255.90, 367,541.33 and 118,862.60 is: 178,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,255.90 : 367,541.33 = 118,862.60 : x
  2. Step 2: Convert to fraction form
    245,255.90/367,541.33 = 118,862.60/x
  3. Step 3: Cross multiply
    245,255.90x = 367,541.33 × 118,862.60
  4. Step 4: Simplify right side
    245,255.90x = 43,686,915,959.45
  5. Step 5: Solve for x
    x = 43,686,915,959.45/245,255.90
  6. Step 6: Final answer
    x = 178,127.89

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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.