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Finding the Fourth Proportional to 98,810.34, 148,195.80 and 35,628.72

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Solution

The fourth proportional to 98,810.34, 148,195.80 and 35,628.72 is: 53,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.34 : 148,195.80 = 35,628.72 : x
  2. Step 2: Convert to fraction form
    98,810.34/148,195.80 = 35,628.72/x
  3. Step 3: Cross multiply
    98,810.34x = 148,195.80 × 35,628.72
  4. Step 4: Simplify right side
    98,810.34x = 5,280,026,663.38
  5. Step 5: Solve for x
    x = 5,280,026,663.38/98,810.34
  6. Step 6: Final answer
    x = 53,435.97

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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.