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Finding the Fourth Proportional to 164,805.12, 247,000.32 and 118,149.12

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Solution

The fourth proportional to 164,805.12, 247,000.32 and 118,149.12 is: 177,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,805.12 : 247,000.32 = 118,149.12 : x
  2. Step 2: Convert to fraction form
    164,805.12/247,000.32 = 118,149.12/x
  3. Step 3: Cross multiply
    164,805.12x = 247,000.32 × 118,149.12
  4. Step 4: Simplify right side
    164,805.12x = 29,182,870,447.72
  5. Step 5: Solve for x
    x = 29,182,870,447.72/164,805.12
  6. Step 6: Final answer
    x = 177,075.02

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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.