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Finding the Fourth Proportional to 353,754.54, 530,719.29 and 117,121.14

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Solution

The fourth proportional to 353,754.54, 530,719.29 and 117,121.14 is: 175,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,754.54 : 530,719.29 = 117,121.14 : x
  2. Step 2: Convert to fraction form
    353,754.54/530,719.29 = 117,121.14/x
  3. Step 3: Cross multiply
    353,754.54x = 530,719.29 × 117,121.14
  4. Step 4: Simplify right side
    353,754.54x = 62,158,448,264.79
  5. Step 5: Solve for x
    x = 62,158,448,264.79/353,754.54
  6. Step 6: Final answer
    x = 175,710.67

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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.