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Finding the Fourth Proportional to 355,056.08, 532,554.96 and 105,738.08

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Solution

The fourth proportional to 355,056.08, 532,554.96 and 105,738.08 is: 158,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,056.08 : 532,554.96 = 105,738.08 : x
  2. Step 2: Convert to fraction form
    355,056.08/532,554.96 = 105,738.08/x
  3. Step 3: Cross multiply
    355,056.08x = 532,554.96 × 105,738.08
  4. Step 4: Simplify right side
    355,056.08x = 56,311,338,964.88
  5. Step 5: Solve for x
    x = 56,311,338,964.88/355,056.08
  6. Step 6: Final answer
    x = 158,598.44

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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.