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Finding the Fourth Proportional to 68,024,598.30, 102,054,489.03 and 19,506,003.30

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Solution

The fourth proportional to 68,024,598.30, 102,054,489.03 and 19,506,003.30 is: 29,264,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,024,598.30 : 102,054,489.03 = 19,506,003.30 : x
  2. Step 2: Convert to fraction form
    68,024,598.30/102,054,489.03 = 19,506,003.30/x
  3. Step 3: Cross multiply
    68,024,598.30x = 102,054,489.03 × 19,506,003.30
  4. Step 4: Simplify right side
    68,024,598.30x = 1,990,675,199,798,994
  5. Step 5: Solve for x
    x = 1,990,675,199,798,994/68,024,598.30
  6. Step 6: Final answer
    x = 29,264,049.32

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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.