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Finding the Fourth Proportional to 251,210.60, 376,232.70 and 171,895.40

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Solution

The fourth proportional to 251,210.60, 376,232.70 and 171,895.40 is: 257,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,210.60 : 376,232.70 = 171,895.40 : x
  2. Step 2: Convert to fraction form
    251,210.60/376,232.70 = 171,895.40/x
  3. Step 3: Cross multiply
    251,210.60x = 376,232.70 × 171,895.40
  4. Step 4: Simplify right side
    251,210.60x = 64,672,670,459.58
  5. Step 5: Solve for x
    x = 64,672,670,459.58/251,210.60
  6. Step 6: Final answer
    x = 257,444.03

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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.