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Finding the Fourth Proportional to 236,722.93, 355,085.74 and 78,950.93

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Solution

The fourth proportional to 236,722.93, 355,085.74 and 78,950.93 is: 118,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,722.93 : 355,085.74 = 78,950.93 : x
  2. Step 2: Convert to fraction form
    236,722.93/355,085.74 = 78,950.93/x
  3. Step 3: Cross multiply
    236,722.93x = 355,085.74 × 78,950.93
  4. Step 4: Simplify right side
    236,722.93x = 28,034,348,367.23
  5. Step 5: Solve for x
    x = 28,034,348,367.23/236,722.93
  6. Step 6: Final answer
    x = 118,426.84

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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.