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Finding the Fourth Proportional to 242,726.76, 364,016.22 and 84,925.80

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Solution

The fourth proportional to 242,726.76, 364,016.22 and 84,925.80 is: 127,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,726.76 : 364,016.22 = 84,925.80 : x
  2. Step 2: Convert to fraction form
    242,726.76/364,016.22 = 84,925.80/x
  3. Step 3: Cross multiply
    242,726.76x = 364,016.22 × 84,925.80
  4. Step 4: Simplify right side
    242,726.76x = 30,914,368,696.48
  5. Step 5: Solve for x
    x = 30,914,368,696.48/242,726.76
  6. Step 6: Final answer
    x = 127,362.84

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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.