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Finding the Fourth Proportional to 241,636.70, 362,316.16 and 99,580.05

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Solution

The fourth proportional to 241,636.70, 362,316.16 and 99,580.05 is: 149,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,636.70 : 362,316.16 = 99,580.05 : x
  2. Step 2: Convert to fraction form
    241,636.70/362,316.16 = 99,580.05/x
  3. Step 3: Cross multiply
    241,636.70x = 362,316.16 × 99,580.05
  4. Step 4: Simplify right side
    241,636.70x = 36,079,460,892.95
  5. Step 5: Solve for x
    x = 36,079,460,892.95/241,636.70
  6. Step 6: Final answer
    x = 149,312.83

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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.