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Finding the Fourth Proportional to 237,615.60, 356,311.80 and 137,804.16

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Solution

The fourth proportional to 237,615.60, 356,311.80 and 137,804.16 is: 206,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,615.60 : 356,311.80 = 137,804.16 : x
  2. Step 2: Convert to fraction form
    237,615.60/356,311.80 = 137,804.16/x
  3. Step 3: Cross multiply
    237,615.60x = 356,311.80 × 137,804.16
  4. Step 4: Simplify right side
    237,615.60x = 49,101,248,297.09
  5. Step 5: Solve for x
    x = 49,101,248,297.09/237,615.60
  6. Step 6: Final answer
    x = 206,641.52

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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.