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Finding the Fourth Proportional to 242,992.98, 335,336.94 and 152,340.42

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Solution

The fourth proportional to 242,992.98, 335,336.94 and 152,340.42 is: 210,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,992.98 : 335,336.94 = 152,340.42 : x
  2. Step 2: Convert to fraction form
    242,992.98/335,336.94 = 152,340.42/x
  3. Step 3: Cross multiply
    242,992.98x = 335,336.94 × 152,340.42
  4. Step 4: Simplify right side
    242,992.98x = 51,085,370,281.11
  5. Step 5: Solve for x
    x = 51,085,370,281.11/242,992.98
  6. Step 6: Final answer
    x = 210,233.93

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1.5x scale

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.