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Finding the Fourth Proportional to 40,339,330.80, 60,397,021.80 and 39,219,586.80

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Solution

The fourth proportional to 40,339,330.80, 60,397,021.80 and 39,219,586.80 is: 58,720,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339,330.80 : 60,397,021.80 = 39,219,586.80 : x
  2. Step 2: Convert to fraction form
    40,339,330.80/60,397,021.80 = 39,219,586.80/x
  3. Step 3: Cross multiply
    40,339,330.80x = 60,397,021.80 × 39,219,586.80
  4. Step 4: Simplify right side
    40,339,330.80x = 2,368,746,238,946,592
  5. Step 5: Solve for x
    x = 2,368,746,238,946,592/40,339,330.80
  6. Step 6: Final answer
    x = 58,720,514.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.