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Finding the Fourth Proportional to 228,482.08, 342,735.84 and 70,698.20

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Solution

The fourth proportional to 228,482.08, 342,735.84 and 70,698.20 is: 106,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,482.08 : 342,735.84 = 70,698.20 : x
  2. Step 2: Convert to fraction form
    228,482.08/342,735.84 = 70,698.20/x
  3. Step 3: Cross multiply
    228,482.08x = 342,735.84 × 70,698.20
  4. Step 4: Simplify right side
    228,482.08x = 24,230,806,963.49
  5. Step 5: Solve for x
    x = 24,230,806,963.49/228,482.08
  6. Step 6: Final answer
    x = 106,051.24

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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.