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Finding the Fourth Proportional to 155,018, 232,529.20 and 44,210

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Solution

The fourth proportional to 155,018, 232,529.20 and 44,210 is: 66,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,018 : 232,529.20 = 44,210 : x
  2. Step 2: Convert to fraction form
    155,018/232,529.20 = 44,210/x
  3. Step 3: Cross multiply
    155,018x = 232,529.20 × 44,210
  4. Step 4: Simplify right side
    155,018x = 10,280,115,932
  5. Step 5: Solve for x
    x = 10,280,115,932/155,018
  6. Step 6: Final answer
    x = 66,315.63

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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.