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Finding the Fourth Proportional to 98,818.89, 148,228.65 and 23,938.89

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Solution

The fourth proportional to 98,818.89, 148,228.65 and 23,938.89 is: 35,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.89 : 148,228.65 = 23,938.89 : x
  2. Step 2: Convert to fraction form
    98,818.89/148,228.65 = 23,938.89/x
  3. Step 3: Cross multiply
    98,818.89x = 148,228.65 × 23,938.89
  4. Step 4: Simplify right side
    98,818.89x = 3,548,429,347.20
  5. Step 5: Solve for x
    x = 3,548,429,347.20/98,818.89
  6. Step 6: Final answer
    x = 35,908.41

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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.