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Finding the Fourth Proportional to 246,402.99, 340,035.44 and 137,506.16

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Solution

The fourth proportional to 246,402.99, 340,035.44 and 137,506.16 is: 189,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,402.99 : 340,035.44 = 137,506.16 : x
  2. Step 2: Convert to fraction form
    246,402.99/340,035.44 = 137,506.16/x
  3. Step 3: Cross multiply
    246,402.99x = 340,035.44 × 137,506.16
  4. Step 4: Simplify right side
    246,402.99x = 46,756,967,780.87
  5. Step 5: Solve for x
    x = 46,756,967,780.87/246,402.99
  6. Step 6: Final answer
    x = 189,758.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.