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Finding the Fourth Proportional to 358,507.05, 537,852.84 and 105,777.33

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Solution

The fourth proportional to 358,507.05, 537,852.84 and 105,777.33 is: 158,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,507.05 : 537,852.84 = 105,777.33 : x
  2. Step 2: Convert to fraction form
    358,507.05/537,852.84 = 105,777.33/x
  3. Step 3: Cross multiply
    358,507.05x = 537,852.84 × 105,777.33
  4. Step 4: Simplify right side
    358,507.05x = 56,892,635,529.50
  5. Step 5: Solve for x
    x = 56,892,635,529.50/358,507.05
  6. Step 6: Final answer
    x = 158,693.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.