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Finding the Fourth Proportional to 71,337,607.70, 107,006,411.55 and 46,678,745.30

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Solution

The fourth proportional to 71,337,607.70, 107,006,411.55 and 46,678,745.30 is: 70,018,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,337,607.70 : 107,006,411.55 = 46,678,745.30 : x
  2. Step 2: Convert to fraction form
    71,337,607.70/107,006,411.55 = 46,678,745.30/x
  3. Step 3: Cross multiply
    71,337,607.70x = 107,006,411.55 × 46,678,745.30
  4. Step 4: Simplify right side
    71,337,607.70x = 4,994,925,030,209,428
  5. Step 5: Solve for x
    x = 4,994,925,030,209,428/71,337,607.70
  6. Step 6: Final answer
    x = 70,018,117.95

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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.