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Finding the Fourth Proportional to 56,611,271.80, 84,916,907.70 and 56,611,271.80

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Solution

The fourth proportional to 56,611,271.80, 84,916,907.70 and 56,611,271.80 is: 84,916,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611,271.80 : 84,916,907.70 = 56,611,271.80 : x
  2. Step 2: Convert to fraction form
    56,611,271.80/84,916,907.70 = 56,611,271.80/x
  3. Step 3: Cross multiply
    56,611,271.80x = 84,916,907.70 × 56,611,271.80
  4. Step 4: Simplify right side
    56,611,271.80x = 4,807,254,142,220,213
  5. Step 5: Solve for x
    x = 4,807,254,142,220,213/56,611,271.80
  6. Step 6: Final answer
    x = 84,916,907.70

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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.