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Finding the Fourth Proportional to 164,053.80, 246,080.70 and 70,559.55

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Solution

The fourth proportional to 164,053.80, 246,080.70 and 70,559.55 is: 105,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,053.80 : 246,080.70 = 70,559.55 : x
  2. Step 2: Convert to fraction form
    164,053.80/246,080.70 = 70,559.55/x
  3. Step 3: Cross multiply
    164,053.80x = 246,080.70 × 70,559.55
  4. Step 4: Simplify right side
    164,053.80x = 17,363,343,455.69
  5. Step 5: Solve for x
    x = 17,363,343,455.69/164,053.80
  6. Step 6: Final answer
    x = 105,839.33

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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.