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Finding the Fourth Proportional to 161,993.95, 242,963.23 and 43,637.61

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Solution

The fourth proportional to 161,993.95, 242,963.23 and 43,637.61 is: 65,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,993.95 : 242,963.23 = 43,637.61 : x
  2. Step 2: Convert to fraction form
    161,993.95/242,963.23 = 43,637.61/x
  3. Step 3: Cross multiply
    161,993.95x = 242,963.23 × 43,637.61
  4. Step 4: Simplify right side
    161,993.95x = 10,602,333,654.87
  5. Step 5: Solve for x
    x = 10,602,333,654.87/161,993.95
  6. Step 6: Final answer
    x = 65,448.95

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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.