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Finding the Fourth Proportional to 183,987,390.40, 275,981,085.60 and 156,630,644.80

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Solution

The fourth proportional to 183,987,390.40, 275,981,085.60 and 156,630,644.80 is: 234,945,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,987,390.40 : 275,981,085.60 = 156,630,644.80 : x
  2. Step 2: Convert to fraction form
    183,987,390.40/275,981,085.60 = 156,630,644.80/x
  3. Step 3: Cross multiply
    183,987,390.40x = 275,981,085.60 × 156,630,644.80
  4. Step 4: Simplify right side
    183,987,390.40x = 43,227,095,390,132,000
  5. Step 5: Solve for x
    x = 43,227,095,390,132,000/183,987,390.40
  6. Step 6: Final answer
    x = 234,945,967.20

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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.