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Finding the Fourth Proportional to 151,048.76, 208,477.46 and 115,174.67

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Solution

The fourth proportional to 151,048.76, 208,477.46 and 115,174.67 is: 158,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,048.76 : 208,477.46 = 115,174.67 : x
  2. Step 2: Convert to fraction form
    151,048.76/208,477.46 = 115,174.67/x
  3. Step 3: Cross multiply
    151,048.76x = 208,477.46 × 115,174.67
  4. Step 4: Simplify right side
    151,048.76x = 24,011,321,903.49
  5. Step 5: Solve for x
    x = 24,011,321,903.49/151,048.76
  6. Step 6: Final answer
    x = 158,964.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.