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Finding the Fourth Proportional to 245,237.70, 367,662.15 and 134,429.70

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Solution

The fourth proportional to 245,237.70, 367,662.15 and 134,429.70 is: 201,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,237.70 : 367,662.15 = 134,429.70 : x
  2. Step 2: Convert to fraction form
    245,237.70/367,662.15 = 134,429.70/x
  3. Step 3: Cross multiply
    245,237.70x = 367,662.15 × 134,429.70
  4. Step 4: Simplify right side
    245,237.70x = 49,424,712,525.86
  5. Step 5: Solve for x
    x = 49,424,712,525.86/245,237.70
  6. Step 6: Final answer
    x = 201,537.99

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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.