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Finding the Fourth Proportional to 368,892,443.70, 553,338,665.55 and 96,263,210.70

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Solution

The fourth proportional to 368,892,443.70, 553,338,665.55 and 96,263,210.70 is: 144,394,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,892,443.70 : 553,338,665.55 = 96,263,210.70 : x
  2. Step 2: Convert to fraction form
    368,892,443.70/553,338,665.55 = 96,263,210.70/x
  3. Step 3: Cross multiply
    368,892,443.70x = 553,338,665.55 × 96,263,210.70
  4. Step 4: Simplify right side
    368,892,443.70x = 53,266,156,550,296,480
  5. Step 5: Solve for x
    x = 53,266,156,550,296,480/368,892,443.70
  6. Step 6: Final answer
    x = 144,394,816.05

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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.