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Finding the Fourth Proportional to 143,729.34, 215,607.34 and 48,927.67

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Solution

The fourth proportional to 143,729.34, 215,607.34 and 48,927.67 is: 73,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729.34 : 215,607.34 = 48,927.67 : x
  2. Step 2: Convert to fraction form
    143,729.34/215,607.34 = 48,927.67/x
  3. Step 3: Cross multiply
    143,729.34x = 215,607.34 × 48,927.67
  4. Step 4: Simplify right side
    143,729.34x = 10,549,165,240.81
  5. Step 5: Solve for x
    x = 10,549,165,240.81/143,729.34
  6. Step 6: Final answer
    x = 73,396.05

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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.