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Finding the Fourth Proportional to 159,914.47, 239,791.48 and 53,260.93

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Solution

The fourth proportional to 159,914.47, 239,791.48 and 53,260.93 is: 79,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,914.47 : 239,791.48 = 53,260.93 : x
  2. Step 2: Convert to fraction form
    159,914.47/239,791.48 = 53,260.93/x
  3. Step 3: Cross multiply
    159,914.47x = 239,791.48 × 53,260.93
  4. Step 4: Simplify right side
    159,914.47x = 12,771,516,479.42
  5. Step 5: Solve for x
    x = 12,771,516,479.42/159,914.47
  6. Step 6: Final answer
    x = 79,864.67

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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.