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Finding the Fourth Proportional to 155,753, 233,603.88 and 43,440.84

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Solution

The fourth proportional to 155,753, 233,603.88 and 43,440.84 is: 65,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,753 : 233,603.88 = 43,440.84 : x
  2. Step 2: Convert to fraction form
    155,753/233,603.88 = 43,440.84/x
  3. Step 3: Cross multiply
    155,753x = 233,603.88 × 43,440.84
  4. Step 4: Simplify right side
    155,753x = 10,147,948,774.46
  5. Step 5: Solve for x
    x = 10,147,948,774.46/155,753
  6. Step 6: Final answer
    x = 65,154.11

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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.