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Finding the Fourth Proportional to 61,805,109.92, 85,301,607.36 and 35,694,934.88

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Solution

The fourth proportional to 61,805,109.92, 85,301,607.36 and 35,694,934.88 is: 49,265,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805,109.92 : 85,301,607.36 = 35,694,934.88 : x
  2. Step 2: Convert to fraction form
    61,805,109.92/85,301,607.36 = 35,694,934.88/x
  3. Step 3: Cross multiply
    61,805,109.92x = 85,301,607.36 × 35,694,934.88
  4. Step 4: Simplify right side
    61,805,109.92x = 3,044,835,319,874,529
  5. Step 5: Solve for x
    x = 3,044,835,319,874,529/61,805,109.92
  6. Step 6: Final answer
    x = 49,265,106.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.