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Finding the Fourth Proportional to 242,601.33, 363,957.39 and 74,145.63

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Solution

The fourth proportional to 242,601.33, 363,957.39 and 74,145.63 is: 111,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,601.33 : 363,957.39 = 74,145.63 : x
  2. Step 2: Convert to fraction form
    242,601.33/363,957.39 = 74,145.63/x
  3. Step 3: Cross multiply
    242,601.33x = 363,957.39 × 74,145.63
  4. Step 4: Simplify right side
    242,601.33x = 26,985,849,974.71
  5. Step 5: Solve for x
    x = 26,985,849,974.71/242,601.33
  6. Step 6: Final answer
    x = 111,235.38

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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.