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Finding the Fourth Proportional to 555,441.96, 833,143.74 and 156,085.80

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Solution

The fourth proportional to 555,441.96, 833,143.74 and 156,085.80 is: 234,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,441.96 : 833,143.74 = 156,085.80 : x
  2. Step 2: Convert to fraction form
    555,441.96/833,143.74 = 156,085.80/x
  3. Step 3: Cross multiply
    555,441.96x = 833,143.74 × 156,085.80
  4. Step 4: Simplify right side
    555,441.96x = 130,041,907,172.89
  5. Step 5: Solve for x
    x = 130,041,907,172.89/555,441.96
  6. Step 6: Final answer
    x = 234,123.30

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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.