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Finding the Fourth Proportional to 104,976,143.70, 157,464,215.55 and 104,976,143.70

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Solution

The fourth proportional to 104,976,143.70, 157,464,215.55 and 104,976,143.70 is: 157,464,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,143.70 : 157,464,215.55 = 104,976,143.70 : x
  2. Step 2: Convert to fraction form
    104,976,143.70/157,464,215.55 = 104,976,143.70/x
  3. Step 3: Cross multiply
    104,976,143.70x = 157,464,215.55 × 104,976,143.70
  4. Step 4: Simplify right side
    104,976,143.70x = 16,529,986,119,184,576
  5. Step 5: Solve for x
    x = 16,529,986,119,184,576/104,976,143.70
  6. Step 6: Final answer
    x = 157,464,215.55

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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.