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Finding the Fourth Proportional to 101,574,137.80, 152,361,206.70 and 70,963,136.20

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Solution

The fourth proportional to 101,574,137.80, 152,361,206.70 and 70,963,136.20 is: 106,444,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,574,137.80 : 152,361,206.70 = 70,963,136.20 : x
  2. Step 2: Convert to fraction form
    101,574,137.80/152,361,206.70 = 70,963,136.20/x
  3. Step 3: Cross multiply
    101,574,137.80x = 152,361,206.70 × 70,963,136.20
  4. Step 4: Simplify right side
    101,574,137.80x = 10,812,029,062,648,452
  5. Step 5: Solve for x
    x = 10,812,029,062,648,452/101,574,137.80
  6. Step 6: Final answer
    x = 106,444,704.30

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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.