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Finding the Fourth Proportional to 163,999.80, 246,096.90 and 108,000.45

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Solution

The fourth proportional to 163,999.80, 246,096.90 and 108,000.45 is: 162,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,999.80 : 246,096.90 = 108,000.45 : x
  2. Step 2: Convert to fraction form
    163,999.80/246,096.90 = 108,000.45/x
  3. Step 3: Cross multiply
    163,999.80x = 246,096.90 × 108,000.45
  4. Step 4: Simplify right side
    163,999.80x = 26,578,575,943.61
  5. Step 5: Solve for x
    x = 26,578,575,943.61/163,999.80
  6. Step 6: Final answer
    x = 162,064.69

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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.