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Finding the Fourth Proportional to 250,673.54, 375,970.01 and 73,138.95

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Solution

The fourth proportional to 250,673.54, 375,970.01 and 73,138.95 is: 109,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,673.54 : 375,970.01 = 73,138.95 : x
  2. Step 2: Convert to fraction form
    250,673.54/375,970.01 = 73,138.95/x
  3. Step 3: Cross multiply
    250,673.54x = 375,970.01 × 73,138.95
  4. Step 4: Simplify right side
    250,673.54x = 27,498,051,397.19
  5. Step 5: Solve for x
    x = 27,498,051,397.19/250,673.54
  6. Step 6: Final answer
    x = 109,696.67

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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.