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Finding the Fourth Proportional to 201,492,317.35, 302,238,476.03 and 73,824,912.55

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Solution

The fourth proportional to 201,492,317.35, 302,238,476.03 and 73,824,912.55 is: 110,737,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,492,317.35 : 302,238,476.03 = 73,824,912.55 : x
  2. Step 2: Convert to fraction form
    201,492,317.35/302,238,476.03 = 73,824,912.55/x
  3. Step 3: Cross multiply
    201,492,317.35x = 302,238,476.03 × 73,824,912.55
  4. Step 4: Simplify right side
    201,492,317.35x = 22,312,729,062,160,020
  5. Step 5: Solve for x
    x = 22,312,729,062,160,020/201,492,317.35
  6. Step 6: Final answer
    x = 110,737,368.83

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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.