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Finding the Fourth Proportional to 236,597.58, 326,506.35 and 129,169.74

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Solution

The fourth proportional to 236,597.58, 326,506.35 and 129,169.74 is: 178,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,597.58 : 326,506.35 = 129,169.74 : x
  2. Step 2: Convert to fraction form
    236,597.58/326,506.35 = 129,169.74/x
  3. Step 3: Cross multiply
    236,597.58x = 326,506.35 × 129,169.74
  4. Step 4: Simplify right side
    236,597.58x = 42,174,740,337.85
  5. Step 5: Solve for x
    x = 42,174,740,337.85/236,597.58
  6. Step 6: Final answer
    x = 178,255.16

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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.