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Finding the Fourth Proportional to 56,706,815.90, 85,060,223.85 and 56,706,815.90

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Solution

The fourth proportional to 56,706,815.90, 85,060,223.85 and 56,706,815.90 is: 85,060,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706,815.90 : 85,060,223.85 = 56,706,815.90 : x
  2. Step 2: Convert to fraction form
    56,706,815.90/85,060,223.85 = 56,706,815.90/x
  3. Step 3: Cross multiply
    56,706,815.90x = 85,060,223.85 × 56,706,815.90
  4. Step 4: Simplify right side
    56,706,815.90x = 4,823,494,453,849,438
  5. Step 5: Solve for x
    x = 4,823,494,453,849,438/56,706,815.90
  6. Step 6: Final answer
    x = 85,060,223.85

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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.