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Finding the Fourth Proportional to 170,464.61, 255,655.90 and 52,136.98

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Solution

The fourth proportional to 170,464.61, 255,655.90 and 52,136.98 is: 78,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,464.61 : 255,655.90 = 52,136.98 : x
  2. Step 2: Convert to fraction form
    170,464.61/255,655.90 = 52,136.98/x
  3. Step 3: Cross multiply
    170,464.61x = 255,655.90 × 52,136.98
  4. Step 4: Simplify right side
    170,464.61x = 13,329,126,545.18
  5. Step 5: Solve for x
    x = 13,329,126,545.18/170,464.61
  6. Step 6: Final answer
    x = 78,192.93

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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.