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Finding the Fourth Proportional to 202,059.70, 302,895.15 and 157,056.10

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Solution

The fourth proportional to 202,059.70, 302,895.15 and 157,056.10 is: 235,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,059.70 : 302,895.15 = 157,056.10 : x
  2. Step 2: Convert to fraction form
    202,059.70/302,895.15 = 157,056.10/x
  3. Step 3: Cross multiply
    202,059.70x = 302,895.15 × 157,056.10
  4. Step 4: Simplify right side
    202,059.70x = 47,571,530,967.92
  5. Step 5: Solve for x
    x = 47,571,530,967.92/202,059.70
  6. Step 6: Final answer
    x = 235,433.05

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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.