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Finding the Fourth Proportional to 79,278,889.95, 118,918,334.93 and 79,278,889.95

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Solution

The fourth proportional to 79,278,889.95, 118,918,334.93 and 79,278,889.95 is: 118,918,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,278,889.95 : 118,918,334.93 = 79,278,889.95 : x
  2. Step 2: Convert to fraction form
    79,278,889.95/118,918,334.93 = 79,278,889.95/x
  3. Step 3: Cross multiply
    79,278,889.95x = 118,918,334.93 × 79,278,889.95
  4. Step 4: Simplify right side
    79,278,889.95x = 9,427,713,587,556,316
  5. Step 5: Solve for x
    x = 9,427,713,587,556,316/79,278,889.95
  6. Step 6: Final answer
    x = 118,918,334.93

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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.