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Finding the Fourth Proportional to 141,136.98, 211,619.34 and 59,988.48

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Solution

The fourth proportional to 141,136.98, 211,619.34 and 59,988.48 is: 89,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,136.98 : 211,619.34 = 59,988.48 : x
  2. Step 2: Convert to fraction form
    141,136.98/211,619.34 = 59,988.48/x
  3. Step 3: Cross multiply
    141,136.98x = 211,619.34 × 59,988.48
  4. Step 4: Simplify right side
    141,136.98x = 12,694,722,545.20
  5. Step 5: Solve for x
    x = 12,694,722,545.20/141,136.98
  6. Step 6: Final answer
    x = 89,946.11

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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.