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Finding the Fourth Proportional to 61,696,300.98, 92,554,855.86 and 20,746,005.74

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Solution

The fourth proportional to 61,696,300.98, 92,554,855.86 and 20,746,005.74 is: 31,122,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,696,300.98 : 92,554,855.86 = 20,746,005.74 : x
  2. Step 2: Convert to fraction form
    61,696,300.98/92,554,855.86 = 20,746,005.74/x
  3. Step 3: Cross multiply
    61,696,300.98x = 92,554,855.86 × 20,746,005.74
  4. Step 4: Simplify right side
    61,696,300.98x = 1,920,143,570,936,432.50
  5. Step 5: Solve for x
    x = 1,920,143,570,936,432.50/61,696,300.98
  6. Step 6: Final answer
    x = 31,122,507.19

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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.