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Finding the Fourth Proportional to 125,297,374.40, 187,890,074.40 and 48,594,910.40

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Solution

The fourth proportional to 125,297,374.40, 187,890,074.40 and 48,594,910.40 is: 72,870,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,297,374.40 : 187,890,074.40 = 48,594,910.40 : x
  2. Step 2: Convert to fraction form
    125,297,374.40/187,890,074.40 = 48,594,910.40/x
  3. Step 3: Cross multiply
    125,297,374.40x = 187,890,074.40 × 48,594,910.40
  4. Step 4: Simplify right side
    125,297,374.40x = 9,130,501,330,517,334
  5. Step 5: Solve for x
    x = 9,130,501,330,517,334/125,297,374.40
  6. Step 6: Final answer
    x = 72,870,651.71

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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.