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Finding the Fourth Proportional to 268,467.61, 370,475.81 and 147,607.95

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Solution

The fourth proportional to 268,467.61, 370,475.81 and 147,607.95 is: 203,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,467.61 : 370,475.81 = 147,607.95 : x
  2. Step 2: Convert to fraction form
    268,467.61/370,475.81 = 147,607.95/x
  3. Step 3: Cross multiply
    268,467.61x = 370,475.81 × 147,607.95
  4. Step 4: Simplify right side
    268,467.61x = 54,685,174,838.69
  5. Step 5: Solve for x
    x = 54,685,174,838.69/268,467.61
  6. Step 6: Final answer
    x = 203,693.75

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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.