Finding the Fourth Proportional to 165,844.13, 228,862.36 and 93,247.09
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Solution
The fourth proportional to 165,844.13, 228,862.36 and 93,247.09 is: 128,679.55
Step by Step Solution
- Step 1: Write the proportion equation
165,844.13 : 228,862.36 = 93,247.09 : x - Step 2: Convert to fraction form
165,844.13/228,862.36 = 93,247.09/x - Step 3: Cross multiply
165,844.13x = 228,862.36 × 93,247.09 - Step 4: Simplify right side
165,844.13x = 21,340,747,936.22 - Step 5: Solve for x
x = 21,340,747,936.22/165,844.13 - Step 6: Final answer
x = 128,679.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.