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Finding the Fourth Proportional to 173,315.64, 259,988.22 and 48,656.64

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Solution

The fourth proportional to 173,315.64, 259,988.22 and 48,656.64 is: 72,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,315.64 : 259,988.22 = 48,656.64 : x
  2. Step 2: Convert to fraction form
    173,315.64/259,988.22 = 48,656.64/x
  3. Step 3: Cross multiply
    173,315.64x = 259,988.22 × 48,656.64
  4. Step 4: Simplify right side
    173,315.64x = 12,650,153,224.78
  5. Step 5: Solve for x
    x = 12,650,153,224.78/173,315.64
  6. Step 6: Final answer
    x = 72,989.10

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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.