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Finding the Fourth Proportional to 133,658.24, 200,518.34 and 38,890.67

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Solution

The fourth proportional to 133,658.24, 200,518.34 and 38,890.67 is: 58,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.24 : 200,518.34 = 38,890.67 : x
  2. Step 2: Convert to fraction form
    133,658.24/200,518.34 = 38,890.67/x
  3. Step 3: Cross multiply
    133,658.24x = 200,518.34 × 38,890.67
  4. Step 4: Simplify right side
    133,658.24x = 7,798,291,392.84
  5. Step 5: Solve for x
    x = 7,798,291,392.84/133,658.24
  6. Step 6: Final answer
    x = 58,345.01

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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.