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Finding the Fourth Proportional to 173,420.56, 260,130.95 and 48,761.56

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Solution

The fourth proportional to 173,420.56, 260,130.95 and 48,761.56 is: 73,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,420.56 : 260,130.95 = 48,761.56 : x
  2. Step 2: Convert to fraction form
    173,420.56/260,130.95 = 48,761.56/x
  3. Step 3: Cross multiply
    173,420.56x = 260,130.95 × 48,761.56
  4. Step 4: Simplify right side
    173,420.56x = 12,684,391,332.80
  5. Step 5: Solve for x
    x = 12,684,391,332.80/173,420.56
  6. Step 6: Final answer
    x = 73,142.37

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1.5x scale

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.