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Finding the Fourth Proportional to 236,711,514.25, 326,671,978.03 and 132,289,582.50

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Solution

The fourth proportional to 236,711,514.25, 326,671,978.03 and 132,289,582.50 is: 182,565,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,711,514.25 : 326,671,978.03 = 132,289,582.50 : x
  2. Step 2: Convert to fraction form
    236,711,514.25/326,671,978.03 = 132,289,582.50/x
  3. Step 3: Cross multiply
    236,711,514.25x = 326,671,978.03 × 132,289,582.50
  4. Step 4: Simplify right side
    236,711,514.25x = 43,215,299,587,532,664
  5. Step 5: Solve for x
    x = 43,215,299,587,532,664/236,711,514.25
  6. Step 6: Final answer
    x = 182,565,261.87

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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.