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Finding the Fourth Proportional to 176,647.05, 265,058.19 and 70,028.76

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Solution

The fourth proportional to 176,647.05, 265,058.19 and 70,028.76 is: 105,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,647.05 : 265,058.19 = 70,028.76 : x
  2. Step 2: Convert to fraction form
    176,647.05/265,058.19 = 70,028.76/x
  3. Step 3: Cross multiply
    176,647.05x = 265,058.19 × 70,028.76
  4. Step 4: Simplify right side
    176,647.05x = 18,561,696,373.54
  5. Step 5: Solve for x
    x = 18,561,696,373.54/176,647.05
  6. Step 6: Final answer
    x = 105,077.87

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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.