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Finding the Fourth Proportional to 230,070.90, 344,901.15 and 89,796.90

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Solution

The fourth proportional to 230,070.90, 344,901.15 and 89,796.90 is: 134,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,070.90 : 344,901.15 = 89,796.90 : x
  2. Step 2: Convert to fraction form
    230,070.90/344,901.15 = 89,796.90/x
  3. Step 3: Cross multiply
    230,070.90x = 344,901.15 × 89,796.90
  4. Step 4: Simplify right side
    230,070.90x = 30,971,054,076.44
  5. Step 5: Solve for x
    x = 30,971,054,076.44/230,070.90
  6. Step 6: Final answer
    x = 134,615.26

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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.