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Finding the Fourth Proportional to 268,347.98, 370,322.52 and 147,492.08

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Solution

The fourth proportional to 268,347.98, 370,322.52 and 147,492.08 is: 203,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,347.98 : 370,322.52 = 147,492.08 : x
  2. Step 2: Convert to fraction form
    268,347.98/370,322.52 = 147,492.08/x
  3. Step 3: Cross multiply
    268,347.98x = 370,322.52 × 147,492.08
  4. Step 4: Simplify right side
    268,347.98x = 54,619,638,745.64
  5. Step 5: Solve for x
    x = 54,619,638,745.64/268,347.98
  6. Step 6: Final answer
    x = 203,540.34

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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.