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Finding the Fourth Proportional to 175,109.80, 262,664.70 and 48,749.80

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Solution

The fourth proportional to 175,109.80, 262,664.70 and 48,749.80 is: 73,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,109.80 : 262,664.70 = 48,749.80 : x
  2. Step 2: Convert to fraction form
    175,109.80/262,664.70 = 48,749.80/x
  3. Step 3: Cross multiply
    175,109.80x = 262,664.70 × 48,749.80
  4. Step 4: Simplify right side
    175,109.80x = 12,804,851,592.06
  5. Step 5: Solve for x
    x = 12,804,851,592.06/175,109.80
  6. Step 6: Final answer
    x = 73,124.70

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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.