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Finding the Fourth Proportional to 64,176,371.20, 96,264,556.80 and 64,176,371.20

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Solution

The fourth proportional to 64,176,371.20, 96,264,556.80 and 64,176,371.20 is: 96,264,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,176,371.20 : 96,264,556.80 = 64,176,371.20 : x
  2. Step 2: Convert to fraction form
    64,176,371.20/96,264,556.80 = 64,176,371.20/x
  3. Step 3: Cross multiply
    64,176,371.20x = 96,264,556.80 × 64,176,371.20
  4. Step 4: Simplify right side
    64,176,371.20x = 6,177,909,930,600,284
  5. Step 5: Solve for x
    x = 6,177,909,930,600,284/64,176,371.20
  6. Step 6: Final answer
    x = 96,264,556.80

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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.