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Finding the Fourth Proportional to 229,896.36, 345,041.37 and 130,154.58

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Solution

The fourth proportional to 229,896.36, 345,041.37 and 130,154.58 is: 195,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,896.36 : 345,041.37 = 130,154.58 : x
  2. Step 2: Convert to fraction form
    229,896.36/345,041.37 = 130,154.58/x
  3. Step 3: Cross multiply
    229,896.36x = 345,041.37 × 130,154.58
  4. Step 4: Simplify right side
    229,896.36x = 44,908,714,594.97
  5. Step 5: Solve for x
    x = 44,908,714,594.97/229,896.36
  6. Step 6: Final answer
    x = 195,343.30

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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.