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Finding the Fourth Proportional to 173,403.95, 260,130.70 and 53,471.03

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Solution

The fourth proportional to 173,403.95, 260,130.70 and 53,471.03 is: 80,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,403.95 : 260,130.70 = 53,471.03 : x
  2. Step 2: Convert to fraction form
    173,403.95/260,130.70 = 53,471.03/x
  3. Step 3: Cross multiply
    173,403.95x = 260,130.70 × 53,471.03
  4. Step 4: Simplify right side
    173,403.95x = 13,909,456,463.62
  5. Step 5: Solve for x
    x = 13,909,456,463.62/173,403.95
  6. Step 6: Final answer
    x = 80,214.18

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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.