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Finding the Fourth Proportional to 240,779,911.39, 332,277,978.33 and 130,771,624.39

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Solution

The fourth proportional to 240,779,911.39, 332,277,978.33 and 130,771,624.39 is: 180,465,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,779,911.39 : 332,277,978.33 = 130,771,624.39 : x
  2. Step 2: Convert to fraction form
    240,779,911.39/332,277,978.33 = 130,771,624.39/x
  3. Step 3: Cross multiply
    240,779,911.39x = 332,277,978.33 × 130,771,624.39
  4. Step 4: Simplify right side
    240,779,911.39x = 43,452,530,975,239,320
  5. Step 5: Solve for x
    x = 43,452,530,975,239,320/240,779,911.39
  6. Step 6: Final answer
    x = 180,465,765.29

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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.