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Finding the Fourth Proportional to 303,518.53, 455,237.83 and 93,138.85

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Solution

The fourth proportional to 303,518.53, 455,237.83 and 93,138.85 is: 139,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,518.53 : 455,237.83 = 93,138.85 : x
  2. Step 2: Convert to fraction form
    303,518.53/455,237.83 = 93,138.85/x
  3. Step 3: Cross multiply
    303,518.53x = 455,237.83 × 93,138.85
  4. Step 4: Simplify right side
    303,518.53x = 42,400,327,962.70
  5. Step 5: Solve for x
    x = 42,400,327,962.70/303,518.53
  6. Step 6: Final answer
    x = 139,696.01

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1.5x scale

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.