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Finding the Fourth Proportional to 303,361.08, 455,100.15 and 116,358

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Solution

The fourth proportional to 303,361.08, 455,100.15 and 116,358 is: 174,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,361.08 : 455,100.15 = 116,358 : x
  2. Step 2: Convert to fraction form
    303,361.08/455,100.15 = 116,358/x
  3. Step 3: Cross multiply
    303,361.08x = 455,100.15 × 116,358
  4. Step 4: Simplify right side
    303,361.08x = 52,954,543,253.70
  5. Step 5: Solve for x
    x = 52,954,543,253.70/303,361.08
  6. Step 6: Final answer
    x = 174,559.45

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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.