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Finding the Fourth Proportional to 268,358.97, 370,329.15 and 145,848.47

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Solution

The fourth proportional to 268,358.97, 370,329.15 and 145,848.47 is: 201,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,358.97 : 370,329.15 = 145,848.47 : x
  2. Step 2: Convert to fraction form
    268,358.97/370,329.15 = 145,848.47/x
  3. Step 3: Cross multiply
    268,358.97x = 370,329.15 × 145,848.47
  4. Step 4: Simplify right side
    268,358.97x = 54,011,939,923.90
  5. Step 5: Solve for x
    x = 54,011,939,923.90/268,358.97
  6. Step 6: Final answer
    x = 201,267.50

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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.