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Finding the Fourth Proportional to 65,082,878.73, 89,815,744.76 and 35,713,954.40

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Solution

The fourth proportional to 65,082,878.73, 89,815,744.76 and 35,713,954.40 is: 49,286,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,082,878.73 : 89,815,744.76 = 35,713,954.40 : x
  2. Step 2: Convert to fraction form
    65,082,878.73/89,815,744.76 = 35,713,954.40/x
  3. Step 3: Cross multiply
    65,082,878.73x = 89,815,744.76 × 35,713,954.40
  4. Step 4: Simplify right side
    65,082,878.73x = 3,207,675,412,133,030.50
  5. Step 5: Solve for x
    x = 3,207,675,412,133,030.50/65,082,878.73
  6. Step 6: Final answer
    x = 49,286,010.00

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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.