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Finding the Fourth Proportional to 203,303.88, 304,955.76 and 98,327.88

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Solution

The fourth proportional to 203,303.88, 304,955.76 and 98,327.88 is: 147,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,303.88 : 304,955.76 = 98,327.88 : x
  2. Step 2: Convert to fraction form
    203,303.88/304,955.76 = 98,327.88/x
  3. Step 3: Cross multiply
    203,303.88x = 304,955.76 × 98,327.88
  4. Step 4: Simplify right side
    203,303.88x = 29,985,653,374.59
  5. Step 5: Solve for x
    x = 29,985,653,374.59/203,303.88
  6. Step 6: Final answer
    x = 147,491.79

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1.5x scale

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.