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Finding the Fourth Proportional to 174,940.80, 262,411.20 and 48,580.80

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Solution

The fourth proportional to 174,940.80, 262,411.20 and 48,580.80 is: 72,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,940.80 : 262,411.20 = 48,580.80 : x
  2. Step 2: Convert to fraction form
    174,940.80/262,411.20 = 48,580.80/x
  3. Step 3: Cross multiply
    174,940.80x = 262,411.20 × 48,580.80
  4. Step 4: Simplify right side
    174,940.80x = 12,748,146,024.96
  5. Step 5: Solve for x
    x = 12,748,146,024.96/174,940.80
  6. Step 6: Final answer
    x = 72,871.20

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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.