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Finding the Fourth Proportional to 255,757,908.40, 383,636,862.60 and 94,178,849.20

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Solution

The fourth proportional to 255,757,908.40, 383,636,862.60 and 94,178,849.20 is: 141,268,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,757,908.40 : 383,636,862.60 = 94,178,849.20 : x
  2. Step 2: Convert to fraction form
    255,757,908.40/383,636,862.60 = 94,178,849.20/x
  3. Step 3: Cross multiply
    255,757,908.40x = 383,636,862.60 × 94,178,849.20
  4. Step 4: Simplify right side
    255,757,908.40x = 36,130,478,230,366,520
  5. Step 5: Solve for x
    x = 36,130,478,230,366,520/255,757,908.40
  6. Step 6: Final answer
    x = 141,268,273.80

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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.