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Finding the Fourth Proportional to 132,877,136.80, 199,315,705.20 and 132,877,136.80

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Solution

The fourth proportional to 132,877,136.80, 199,315,705.20 and 132,877,136.80 is: 199,315,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877,136.80 : 199,315,705.20 = 132,877,136.80 : x
  2. Step 2: Convert to fraction form
    132,877,136.80/199,315,705.20 = 132,877,136.80/x
  3. Step 3: Cross multiply
    132,877,136.80x = 199,315,705.20 × 132,877,136.80
  4. Step 4: Simplify right side
    132,877,136.80x = 26,484,500,226,248,868
  5. Step 5: Solve for x
    x = 26,484,500,226,248,868/132,877,136.80
  6. Step 6: Final answer
    x = 199,315,705.20

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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.