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Finding the Fourth Proportional to 243,702.44, 365,559.94 and 115,588.79

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Solution

The fourth proportional to 243,702.44, 365,559.94 and 115,588.79 is: 173,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,702.44 : 365,559.94 = 115,588.79 : x
  2. Step 2: Convert to fraction form
    243,702.44/365,559.94 = 115,588.79/x
  3. Step 3: Cross multiply
    243,702.44x = 365,559.94 × 115,588.79
  4. Step 4: Simplify right side
    243,702.44x = 42,254,631,137.07
  5. Step 5: Solve for x
    x = 42,254,631,137.07/243,702.44
  6. Step 6: Final answer
    x = 173,386.16

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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.