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Finding the Fourth Proportional to 173,896.28, 260,788.14 and 55,539.64

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Solution

The fourth proportional to 173,896.28, 260,788.14 and 55,539.64 is: 83,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.28 : 260,788.14 = 55,539.64 : x
  2. Step 2: Convert to fraction form
    173,896.28/260,788.14 = 55,539.64/x
  3. Step 3: Cross multiply
    173,896.28x = 260,788.14 × 55,539.64
  4. Step 4: Simplify right side
    173,896.28x = 14,484,079,411.87
  5. Step 5: Solve for x
    x = 14,484,079,411.87/173,896.28
  6. Step 6: Final answer
    x = 83,291.49

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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.