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Finding the Fourth Proportional to 248,833,986.80, 373,201,213.80 and 119,441,346.80

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Solution

The fourth proportional to 248,833,986.80, 373,201,213.80 and 119,441,346.80 is: 179,138,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,986.80 : 373,201,213.80 = 119,441,346.80 : x
  2. Step 2: Convert to fraction form
    248,833,986.80/373,201,213.80 = 119,441,346.80/x
  3. Step 3: Cross multiply
    248,833,986.80x = 373,201,213.80 × 119,441,346.80
  4. Step 4: Simplify right side
    248,833,986.80x = 44,575,655,603,666,744
  5. Step 5: Solve for x
    x = 44,575,655,603,666,744/248,833,986.80
  6. Step 6: Final answer
    x = 179,138,132.12

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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.