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Finding the Fourth Proportional to 73,435,903.80, 110,153,855.70 and 60,670,822.20

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Solution

The fourth proportional to 73,435,903.80, 110,153,855.70 and 60,670,822.20 is: 91,006,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435,903.80 : 110,153,855.70 = 60,670,822.20 : x
  2. Step 2: Convert to fraction form
    73,435,903.80/110,153,855.70 = 60,670,822.20/x
  3. Step 3: Cross multiply
    73,435,903.80x = 110,153,855.70 × 60,670,822.20
  4. Step 4: Simplify right side
    73,435,903.80x = 6,683,124,993,819,157
  5. Step 5: Solve for x
    x = 6,683,124,993,819,157/73,435,903.80
  6. Step 6: Final answer
    x = 91,006,233.30

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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.