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Finding the Fourth Proportional to 236,756.50, 326,733.72 and 136,154.50

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Solution

The fourth proportional to 236,756.50, 326,733.72 and 136,154.50 is: 187,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,756.50 : 326,733.72 = 136,154.50 : x
  2. Step 2: Convert to fraction form
    236,756.50/326,733.72 = 136,154.50/x
  3. Step 3: Cross multiply
    236,756.50x = 326,733.72 × 136,154.50
  4. Step 4: Simplify right side
    236,756.50x = 44,486,266,279.74
  5. Step 5: Solve for x
    x = 44,486,266,279.74/236,756.50
  6. Step 6: Final answer
    x = 187,898.82

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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.