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Finding the Fourth Proportional to 201,244,519.70, 301,866,779.55 and 64,929,903.20

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Solution

The fourth proportional to 201,244,519.70, 301,866,779.55 and 64,929,903.20 is: 97,394,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,244,519.70 : 301,866,779.55 = 64,929,903.20 : x
  2. Step 2: Convert to fraction form
    201,244,519.70/301,866,779.55 = 64,929,903.20/x
  3. Step 3: Cross multiply
    201,244,519.70x = 301,866,779.55 × 64,929,903.20
  4. Step 4: Simplify right side
    201,244,519.70x = 19,600,180,775,477,240
  5. Step 5: Solve for x
    x = 19,600,180,775,477,240/201,244,519.70
  6. Step 6: Final answer
    x = 97,394,854.80

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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.