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Finding the Fourth Proportional to 173,315.68, 260,005.84 and 54,955.20

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Solution

The fourth proportional to 173,315.68, 260,005.84 and 54,955.20 is: 82,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,315.68 : 260,005.84 = 54,955.20 : x
  2. Step 2: Convert to fraction form
    173,315.68/260,005.84 = 54,955.20/x
  3. Step 3: Cross multiply
    173,315.68x = 260,005.84 × 54,955.20
  4. Step 4: Simplify right side
    173,315.68x = 14,288,672,938.37
  5. Step 5: Solve for x
    x = 14,288,672,938.37/173,315.68
  6. Step 6: Final answer
    x = 82,443.05

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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.