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Finding the Fourth Proportional to 68,657,994, 102,978,832 and 22,588,438.18

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Solution

The fourth proportional to 68,657,994, 102,978,832 and 22,588,438.18 is: 33,879,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,657,994 : 102,978,832 = 22,588,438.18 : x
  2. Step 2: Convert to fraction form
    68,657,994/102,978,832 = 22,588,438.18/x
  3. Step 3: Cross multiply
    68,657,994x = 102,978,832 × 22,588,438.18
  4. Step 4: Simplify right side
    68,657,994x = 2,326,130,980,480,605.50
  5. Step 5: Solve for x
    x = 2,326,130,980,480,605.50/68,657,994
  6. Step 6: Final answer
    x = 33,879,972.96

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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.