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Finding the Fourth Proportional to 92,756,136.80, 139,092,214.80 and 35,229,288.80

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Solution

The fourth proportional to 92,756,136.80, 139,092,214.80 and 35,229,288.80 is: 52,827,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,756,136.80 : 139,092,214.80 = 35,229,288.80 : x
  2. Step 2: Convert to fraction form
    92,756,136.80/139,092,214.80 = 35,229,288.80/x
  3. Step 3: Cross multiply
    92,756,136.80x = 139,092,214.80 × 35,229,288.80
  4. Step 4: Simplify right side
    92,756,136.80x = 4,900,119,805,020,834
  5. Step 5: Solve for x
    x = 4,900,119,805,020,834/92,756,136.80
  6. Step 6: Final answer
    x = 52,827,985.02

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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.