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Finding the Fourth Proportional to 137,252.66, 205,895.60 and 48,488.00

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Solution

The fourth proportional to 137,252.66, 205,895.60 and 48,488.00 is: 72,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,252.66 : 205,895.60 = 48,488.00 : x
  2. Step 2: Convert to fraction form
    137,252.66/205,895.60 = 48,488.00/x
  3. Step 3: Cross multiply
    137,252.66x = 205,895.60 × 48,488.00
  4. Step 4: Simplify right side
    137,252.66x = 9,983,464,580.88
  5. Step 5: Solve for x
    x = 9,983,464,580.88/137,252.66
  6. Step 6: Final answer
    x = 72,737.86

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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.