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Finding the Fourth Proportional to 50,688,045.90, 76,032,068.85 and 50,688,045.90

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Solution

The fourth proportional to 50,688,045.90, 76,032,068.85 and 50,688,045.90 is: 76,032,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,045.90 : 76,032,068.85 = 50,688,045.90 : x
  2. Step 2: Convert to fraction form
    50,688,045.90/76,032,068.85 = 50,688,045.90/x
  3. Step 3: Cross multiply
    50,688,045.90x = 76,032,068.85 × 50,688,045.90
  4. Step 4: Simplify right side
    50,688,045.90x = 3,853,916,995,740,760
  5. Step 5: Solve for x
    x = 3,853,916,995,740,760/50,688,045.90
  6. Step 6: Final answer
    x = 76,032,068.85

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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.