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Finding the Fourth Proportional to 357,461.12, 536,268.83 and 120,798.56

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Solution

The fourth proportional to 357,461.12, 536,268.83 and 120,798.56 is: 181,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,461.12 : 536,268.83 = 120,798.56 : x
  2. Step 2: Convert to fraction form
    357,461.12/536,268.83 = 120,798.56/x
  3. Step 3: Cross multiply
    357,461.12x = 536,268.83 × 120,798.56
  4. Step 4: Simplify right side
    357,461.12x = 64,780,502,436.88
  5. Step 5: Solve for x
    x = 64,780,502,436.88/357,461.12
  6. Step 6: Final answer
    x = 181,223.91

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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.