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Finding the Fourth Proportional to 202,483.90, 303,725.85 and 155,244.70

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Solution

The fourth proportional to 202,483.90, 303,725.85 and 155,244.70 is: 232,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,483.90 : 303,725.85 = 155,244.70 : x
  2. Step 2: Convert to fraction form
    202,483.90/303,725.85 = 155,244.70/x
  3. Step 3: Cross multiply
    202,483.90x = 303,725.85 × 155,244.70
  4. Step 4: Simplify right side
    202,483.90x = 47,151,828,465.50
  5. Step 5: Solve for x
    x = 47,151,828,465.50/202,483.90
  6. Step 6: Final answer
    x = 232,867.05

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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.