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Finding the Fourth Proportional to 260,018.30, 358,935.74 and 158,076.32

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Solution

The fourth proportional to 260,018.30, 358,935.74 and 158,076.32 is: 218,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,018.30 : 358,935.74 = 158,076.32 : x
  2. Step 2: Convert to fraction form
    260,018.30/358,935.74 = 158,076.32/x
  3. Step 3: Cross multiply
    260,018.30x = 358,935.74 × 158,076.32
  4. Step 4: Simplify right side
    260,018.30x = 56,739,238,310.62
  5. Step 5: Solve for x
    x = 56,739,238,310.62/260,018.30
  6. Step 6: Final answer
    x = 218,212.49

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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.