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Finding the Fourth Proportional to 104,958.30, 157,423.05 and 34,830.30

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Solution

The fourth proportional to 104,958.30, 157,423.05 and 34,830.30 is: 52,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958.30 : 157,423.05 = 34,830.30 : x
  2. Step 2: Convert to fraction form
    104,958.30/157,423.05 = 34,830.30/x
  3. Step 3: Cross multiply
    104,958.30x = 157,423.05 × 34,830.30
  4. Step 4: Simplify right side
    104,958.30x = 5,483,092,058.42
  5. Step 5: Solve for x
    x = 5,483,092,058.42/104,958.30
  6. Step 6: Final answer
    x = 52,240.67

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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.