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Finding the Fourth Proportional to 104,956.30, 157,420.05 and 34,828.30

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Solution

The fourth proportional to 104,956.30, 157,420.05 and 34,828.30 is: 52,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.30 : 157,420.05 = 34,828.30 : x
  2. Step 2: Convert to fraction form
    104,956.30/157,420.05 = 34,828.30/x
  3. Step 3: Cross multiply
    104,956.30x = 157,420.05 × 34,828.30
  4. Step 4: Simplify right side
    104,956.30x = 5,482,672,727.42
  5. Step 5: Solve for x
    x = 5,482,672,727.42/104,956.30
  6. Step 6: Final answer
    x = 52,237.67

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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.