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Finding the Fourth Proportional to 260,030.34, 358,735.01 and 158,039.37

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Solution

The fourth proportional to 260,030.34, 358,735.01 and 158,039.37 is: 218,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,030.34 : 358,735.01 = 158,039.37 : x
  2. Step 2: Convert to fraction form
    260,030.34/358,735.01 = 158,039.37/x
  3. Step 3: Cross multiply
    260,030.34x = 358,735.01 × 158,039.37
  4. Step 4: Simplify right side
    260,030.34x = 56,694,254,187.15
  5. Step 5: Solve for x
    x = 56,694,254,187.15/260,030.34
  6. Step 6: Final answer
    x = 218,029.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.