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Finding the Fourth Proportional to 243,397.84, 365,069.00 and 65,918.69

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Solution

The fourth proportional to 243,397.84, 365,069.00 and 65,918.69 is: 98,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,397.84 : 365,069.00 = 65,918.69 : x
  2. Step 2: Convert to fraction form
    243,397.84/365,069.00 = 65,918.69/x
  3. Step 3: Cross multiply
    243,397.84x = 365,069.00 × 65,918.69
  4. Step 4: Simplify right side
    243,397.84x = 24,064,868,735.92
  5. Step 5: Solve for x
    x = 24,064,868,735.92/243,397.84
  6. Step 6: Final answer
    x = 98,870.51

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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.