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Finding the Fourth Proportional to 56,892,562.40, 85,212,872.40 and 46,814,866.40

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Solution

The fourth proportional to 56,892,562.40, 85,212,872.40 and 46,814,866.40 is: 70,118,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892,562.40 : 85,212,872.40 = 46,814,866.40 : x
  2. Step 2: Convert to fraction form
    56,892,562.40/85,212,872.40 = 46,814,866.40/x
  3. Step 3: Cross multiply
    56,892,562.40x = 85,212,872.40 × 46,814,866.40
  4. Step 4: Simplify right side
    56,892,562.40x = 3,989,229,236,966,247.50
  5. Step 5: Solve for x
    x = 3,989,229,236,966,247.50/56,892,562.40
  6. Step 6: Final answer
    x = 70,118,642.38

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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.