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Finding the Fourth Proportional to 172,848.80, 259,491.90 and 92,950.40

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Solution

The fourth proportional to 172,848.80, 259,491.90 and 92,950.40 is: 139,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,848.80 : 259,491.90 = 92,950.40 : x
  2. Step 2: Convert to fraction form
    172,848.80/259,491.90 = 92,950.40/x
  3. Step 3: Cross multiply
    172,848.80x = 259,491.90 × 92,950.40
  4. Step 4: Simplify right side
    172,848.80x = 24,119,875,901.76
  5. Step 5: Solve for x
    x = 24,119,875,901.76/172,848.80
  6. Step 6: Final answer
    x = 139,543.21

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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.