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Finding the Fourth Proportional to 106,914.16, 160,365.08 and 28,028.32

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Solution

The fourth proportional to 106,914.16, 160,365.08 and 28,028.32 is: 42,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,914.16 : 160,365.08 = 28,028.32 : x
  2. Step 2: Convert to fraction form
    106,914.16/160,365.08 = 28,028.32/x
  3. Step 3: Cross multiply
    106,914.16x = 160,365.08 × 28,028.32
  4. Step 4: Simplify right side
    106,914.16x = 4,494,763,779.07
  5. Step 5: Solve for x
    x = 4,494,763,779.07/106,914.16
  6. Step 6: Final answer
    x = 42,040.87

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1.5x scale

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.