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Finding the Fourth Proportional to 201,492,363.60, 302,238,545.40 and 73,824,958.80

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Solution

The fourth proportional to 201,492,363.60, 302,238,545.40 and 73,824,958.80 is: 110,737,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,492,363.60 : 302,238,545.40 = 73,824,958.80 : x
  2. Step 2: Convert to fraction form
    201,492,363.60/302,238,545.40 = 73,824,958.80/x
  3. Step 3: Cross multiply
    201,492,363.60x = 302,238,545.40 × 73,824,958.80
  4. Step 4: Simplify right side
    201,492,363.60x = 22,312,748,161,926,928
  5. Step 5: Solve for x
    x = 22,312,748,161,926,928/201,492,363.60
  6. Step 6: Final answer
    x = 110,737,438.20

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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.