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Finding the Fourth Proportional to 119,207.89, 178,828.44 and 40,300.93

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Solution

The fourth proportional to 119,207.89, 178,828.44 and 40,300.93 is: 60,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,207.89 : 178,828.44 = 40,300.93 : x
  2. Step 2: Convert to fraction form
    119,207.89/178,828.44 = 40,300.93/x
  3. Step 3: Cross multiply
    119,207.89x = 178,828.44 × 40,300.93
  4. Step 4: Simplify right side
    119,207.89x = 7,206,952,442.45
  5. Step 5: Solve for x
    x = 7,206,952,442.45/119,207.89
  6. Step 6: Final answer
    x = 60,457.01

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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.