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Finding the Fourth Proportional to 173,980.80, 260,967.42 and 55,651.79

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Solution

The fourth proportional to 173,980.80, 260,967.42 and 55,651.79 is: 83,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,980.80 : 260,967.42 = 55,651.79 : x
  2. Step 2: Convert to fraction form
    173,980.80/260,967.42 = 55,651.79/x
  3. Step 3: Cross multiply
    173,980.80x = 260,967.42 × 55,651.79
  4. Step 4: Simplify right side
    173,980.80x = 14,523,302,749.84
  5. Step 5: Solve for x
    x = 14,523,302,749.84/173,980.80
  6. Step 6: Final answer
    x = 83,476.47

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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.