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Finding the Fourth Proportional to 268,473.52, 370,497.72 and 147,620.08

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Solution

The fourth proportional to 268,473.52, 370,497.72 and 147,620.08 is: 203,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,473.52 : 370,497.72 = 147,620.08 : x
  2. Step 2: Convert to fraction form
    268,473.52/370,497.72 = 147,620.08/x
  3. Step 3: Cross multiply
    268,473.52x = 370,497.72 × 147,620.08
  4. Step 4: Simplify right side
    268,473.52x = 54,692,903,066.22
  5. Step 5: Solve for x
    x = 54,692,903,066.22/268,473.52
  6. Step 6: Final answer
    x = 203,718.05

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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.