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Finding the Fourth Proportional to 251,322.10, 376,946.70 and 73,810.60

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Solution

The fourth proportional to 251,322.10, 376,946.70 and 73,810.60 is: 110,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,322.10 : 376,946.70 = 73,810.60 : x
  2. Step 2: Convert to fraction form
    251,322.10/376,946.70 = 73,810.60/x
  3. Step 3: Cross multiply
    251,322.10x = 376,946.70 × 73,810.60
  4. Step 4: Simplify right side
    251,322.10x = 27,822,662,095.02
  5. Step 5: Solve for x
    x = 27,822,662,095.02/251,322.10
  6. Step 6: Final answer
    x = 110,705.20

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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.