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Finding the Fourth Proportional to 201,484,371.60, 301,722,672.60 and 161,173,587.60

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Solution

The fourth proportional to 201,484,371.60, 301,722,672.60 and 161,173,587.60 is: 241,357,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,484,371.60 : 301,722,672.60 = 161,173,587.60 : x
  2. Step 2: Convert to fraction form
    201,484,371.60/301,722,672.60 = 161,173,587.60/x
  3. Step 3: Cross multiply
    201,484,371.60x = 301,722,672.60 × 161,173,587.60
  4. Step 4: Simplify right side
    201,484,371.60x = 48,629,725,603,202,224
  5. Step 5: Solve for x
    x = 48,629,725,603,202,224/201,484,371.60
  6. Step 6: Final answer
    x = 241,357,308.35

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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.