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Finding the Fourth Proportional to 357,711.06, 536,233.02 and 120,888.12

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Solution

The fourth proportional to 357,711.06, 536,233.02 and 120,888.12 is: 181,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,711.06 : 536,233.02 = 120,888.12 : x
  2. Step 2: Convert to fraction form
    357,711.06/536,233.02 = 120,888.12/x
  3. Step 3: Cross multiply
    357,711.06x = 536,233.02 × 120,888.12
  4. Step 4: Simplify right side
    357,711.06x = 64,824,201,669.72
  5. Step 5: Solve for x
    x = 64,824,201,669.72/357,711.06
  6. Step 6: Final answer
    x = 181,219.45

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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.