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Finding the Fourth Proportional to 533,143.86, 799,842.18 and 159,176.58

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Solution

The fourth proportional to 533,143.86, 799,842.18 and 159,176.58 is: 238,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,143.86 : 799,842.18 = 159,176.58 : x
  2. Step 2: Convert to fraction form
    533,143.86/799,842.18 = 159,176.58/x
  3. Step 3: Cross multiply
    533,143.86x = 799,842.18 × 159,176.58
  4. Step 4: Simplify right side
    533,143.86x = 127,316,142,752.14
  5. Step 5: Solve for x
    x = 127,316,142,752.14/533,143.86
  6. Step 6: Final answer
    x = 238,802.61

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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.