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Finding the Fourth Proportional to 98,673.48, 147,975.78 and 32,101.20

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Solution

The fourth proportional to 98,673.48, 147,975.78 and 32,101.20 is: 48,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,673.48 : 147,975.78 = 32,101.20 : x
  2. Step 2: Convert to fraction form
    98,673.48/147,975.78 = 32,101.20/x
  3. Step 3: Cross multiply
    98,673.48x = 147,975.78 × 32,101.20
  4. Step 4: Simplify right side
    98,673.48x = 4,750,200,108.94
  5. Step 5: Solve for x
    x = 4,750,200,108.94/98,673.48
  6. Step 6: Final answer
    x = 48,140.60

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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.