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Finding the Fourth Proportional to 56,391,626.80, 84,492,961.80 and 48,266,484.40

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Solution

The fourth proportional to 56,391,626.80, 84,492,961.80 and 48,266,484.40 is: 72,318,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,391,626.80 : 84,492,961.80 = 48,266,484.40 : x
  2. Step 2: Convert to fraction form
    56,391,626.80/84,492,961.80 = 48,266,484.40/x
  3. Step 3: Cross multiply
    56,391,626.80x = 84,492,961.80 × 48,266,484.40
  4. Step 4: Simplify right side
    56,391,626.80x = 4,078,178,222,629,495.50
  5. Step 5: Solve for x
    x = 4,078,178,222,629,495.50/56,391,626.80
  6. Step 6: Final answer
    x = 72,318,861.04

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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.