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Finding the Fourth Proportional to 164,874.37, 247,145.40 and 64,995.90

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Solution

The fourth proportional to 164,874.37, 247,145.40 and 64,995.90 is: 97,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,874.37 : 247,145.40 = 64,995.90 : x
  2. Step 2: Convert to fraction form
    164,874.37/247,145.40 = 64,995.90/x
  3. Step 3: Cross multiply
    164,874.37x = 247,145.40 × 64,995.90
  4. Step 4: Simplify right side
    164,874.37x = 16,063,437,703.86
  5. Step 5: Solve for x
    x = 16,063,437,703.86/164,874.37
  6. Step 6: Final answer
    x = 97,428.35

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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.