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Finding the Fourth Proportional to 65,203,712.10, 97,805,568.15 and 46,071,836.10

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Solution

The fourth proportional to 65,203,712.10, 97,805,568.15 and 46,071,836.10 is: 69,107,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,712.10 : 97,805,568.15 = 46,071,836.10 : x
  2. Step 2: Convert to fraction form
    65,203,712.10/97,805,568.15 = 46,071,836.10/x
  3. Step 3: Cross multiply
    65,203,712.10x = 97,805,568.15 × 46,071,836.10
  4. Step 4: Simplify right side
    65,203,712.10x = 4,506,082,105,474,181
  5. Step 5: Solve for x
    x = 4,506,082,105,474,181/65,203,712.10
  6. Step 6: Final answer
    x = 69,107,754.15

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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.