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Finding the Fourth Proportional to 254,563.25, 351,303.57 and 139,853.30

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Solution

The fourth proportional to 254,563.25, 351,303.57 and 139,853.30 is: 193,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,563.25 : 351,303.57 = 139,853.30 : x
  2. Step 2: Convert to fraction form
    254,563.25/351,303.57 = 139,853.30/x
  3. Step 3: Cross multiply
    254,563.25x = 351,303.57 × 139,853.30
  4. Step 4: Simplify right side
    254,563.25x = 49,130,961,809.76
  5. Step 5: Solve for x
    x = 49,130,961,809.76/254,563.25
  6. Step 6: Final answer
    x = 193,001.00

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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.