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Finding the Fourth Proportional to 181,187.76, 271,677 and 70,250.16

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Solution

The fourth proportional to 181,187.76, 271,677 and 70,250.16 is: 105,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,187.76 : 271,677 = 70,250.16 : x
  2. Step 2: Convert to fraction form
    181,187.76/271,677 = 70,250.16/x
  3. Step 3: Cross multiply
    181,187.76x = 271,677 × 70,250.16
  4. Step 4: Simplify right side
    181,187.76x = 19,085,352,718.32
  5. Step 5: Solve for x
    x = 19,085,352,718.32/181,187.76
  6. Step 6: Final answer
    x = 105,334.67

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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.