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Finding the Fourth Proportional to 74,838,963.45, 104,976,102.75 and 74,838,963.45

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Solution

The fourth proportional to 74,838,963.45, 104,976,102.75 and 74,838,963.45 is: 104,976,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838,963.45 : 104,976,102.75 = 74,838,963.45 : x
  2. Step 2: Convert to fraction form
    74,838,963.45/104,976,102.75 = 74,838,963.45/x
  3. Step 3: Cross multiply
    74,838,963.45x = 104,976,102.75 × 74,838,963.45
  4. Step 4: Simplify right side
    74,838,963.45x = 7,856,302,716,830,695
  5. Step 5: Solve for x
    x = 7,856,302,716,830,695/74,838,963.45
  6. Step 6: Final answer
    x = 104,976,102.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.