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Finding the Fourth Proportional to 176,503.07, 264,867.20 and 64,172.51

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Solution

The fourth proportional to 176,503.07, 264,867.20 and 64,172.51 is: 96,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,503.07 : 264,867.20 = 64,172.51 : x
  2. Step 2: Convert to fraction form
    176,503.07/264,867.20 = 64,172.51/x
  3. Step 3: Cross multiply
    176,503.07x = 264,867.20 × 64,172.51
  4. Step 4: Simplify right side
    176,503.07x = 16,997,193,040.67
  5. Step 5: Solve for x
    x = 16,997,193,040.67/176,503.07
  6. Step 6: Final answer
    x = 96,299.70

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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.