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Finding the Fourth Proportional to 173,070, 259,605 and 48,411

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Solution

The fourth proportional to 173,070, 259,605 and 48,411 is: 72,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,070 : 259,605 = 48,411 : x
  2. Step 2: Convert to fraction form
    173,070/259,605 = 48,411/x
  3. Step 3: Cross multiply
    173,070x = 259,605 × 48,411
  4. Step 4: Simplify right side
    173,070x = 12,567,737,655
  5. Step 5: Solve for x
    x = 12,567,737,655/173,070
  6. Step 6: Final answer
    x = 72,616.50

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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.