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Finding the Fourth Proportional to 114,530.70, 171,796.05 and 48,045.90

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Solution

The fourth proportional to 114,530.70, 171,796.05 and 48,045.90 is: 72,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,530.70 : 171,796.05 = 48,045.90 : x
  2. Step 2: Convert to fraction form
    114,530.70/171,796.05 = 48,045.90/x
  3. Step 3: Cross multiply
    114,530.70x = 171,796.05 × 48,045.90
  4. Step 4: Simplify right side
    114,530.70x = 8,254,095,838.70
  5. Step 5: Solve for x
    x = 8,254,095,838.70/114,530.70
  6. Step 6: Final answer
    x = 72,068.85

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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.