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Finding the Fourth Proportional to 357,674.90, 536,595.44 and 104,945.18

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Solution

The fourth proportional to 357,674.90, 536,595.44 and 104,945.18 is: 157,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,674.90 : 536,595.44 = 104,945.18 : x
  2. Step 2: Convert to fraction form
    357,674.90/536,595.44 = 104,945.18/x
  3. Step 3: Cross multiply
    357,674.90x = 536,595.44 × 104,945.18
  4. Step 4: Simplify right side
    357,674.90x = 56,313,105,037.98
  5. Step 5: Solve for x
    x = 56,313,105,037.98/357,674.90
  6. Step 6: Final answer
    x = 157,442.15

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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.