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Finding the Fourth Proportional to 236,043.01, 325,735.24 and 128,613.93

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Solution

The fourth proportional to 236,043.01, 325,735.24 and 128,613.93 is: 177,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,043.01 : 325,735.24 = 128,613.93 : x
  2. Step 2: Convert to fraction form
    236,043.01/325,735.24 = 128,613.93/x
  3. Step 3: Cross multiply
    236,043.01x = 325,735.24 × 128,613.93
  4. Step 4: Simplify right side
    236,043.01x = 41,894,089,355.89
  5. Step 5: Solve for x
    x = 41,894,089,355.89/236,043.01
  6. Step 6: Final answer
    x = 177,484.98

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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.