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Finding the Fourth Proportional to 173,210.72, 238,978.58 and 100,599.62

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Solution

The fourth proportional to 173,210.72, 238,978.58 and 100,599.62 is: 138,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,210.72 : 238,978.58 = 100,599.62 : x
  2. Step 2: Convert to fraction form
    173,210.72/238,978.58 = 100,599.62/x
  3. Step 3: Cross multiply
    173,210.72x = 238,978.58 × 100,599.62
  4. Step 4: Simplify right side
    173,210.72x = 24,041,152,638.25
  5. Step 5: Solve for x
    x = 24,041,152,638.25/173,210.72
  6. Step 6: Final answer
    x = 138,797.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.