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Finding the Fourth Proportional to 202,025.60, 302,989.80 and 61,785.44

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Solution

The fourth proportional to 202,025.60, 302,989.80 and 61,785.44 is: 92,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,025.60 : 302,989.80 = 61,785.44 : x
  2. Step 2: Convert to fraction form
    202,025.60/302,989.80 = 61,785.44/x
  3. Step 3: Cross multiply
    202,025.60x = 302,989.80 × 61,785.44
  4. Step 4: Simplify right side
    202,025.60x = 18,720,358,108.51
  5. Step 5: Solve for x
    x = 18,720,358,108.51/202,025.60
  6. Step 6: Final answer
    x = 92,663.30

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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.