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Finding the Fourth Proportional to 173,859.51, 260,829.95 and 53,910.15

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Solution

The fourth proportional to 173,859.51, 260,829.95 and 53,910.15 is: 80,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859.51 : 260,829.95 = 53,910.15 : x
  2. Step 2: Convert to fraction form
    173,859.51/260,829.95 = 53,910.15/x
  3. Step 3: Cross multiply
    173,859.51x = 260,829.95 × 53,910.15
  4. Step 4: Simplify right side
    173,859.51x = 14,061,381,459.44
  5. Step 5: Solve for x
    x = 14,061,381,459.44/173,859.51
  6. Step 6: Final answer
    x = 80,877.84

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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.