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Finding the Fourth Proportional to 160,415.10, 240,622.65 and 110,648.70

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Solution

The fourth proportional to 160,415.10, 240,622.65 and 110,648.70 is: 165,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,415.10 : 240,622.65 = 110,648.70 : x
  2. Step 2: Convert to fraction form
    160,415.10/240,622.65 = 110,648.70/x
  3. Step 3: Cross multiply
    160,415.10x = 240,622.65 × 110,648.70
  4. Step 4: Simplify right side
    160,415.10x = 26,624,583,413.06
  5. Step 5: Solve for x
    x = 26,624,583,413.06/160,415.10
  6. Step 6: Final answer
    x = 165,973.05

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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.