Finding the Fourth Proportional to 104,491.52, 144,242.44 and 70,545.99
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Solution
The fourth proportional to 104,491.52, 144,242.44 and 70,545.99 is: 97,383.27
Step by Step Solution
- Step 1: Write the proportion equation
104,491.52 : 144,242.44 = 70,545.99 : x - Step 2: Convert to fraction form
104,491.52/144,242.44 = 70,545.99/x - Step 3: Cross multiply
104,491.52x = 144,242.44 × 70,545.99 - Step 4: Simplify right side
104,491.52x = 10,175,725,283.00 - Step 5: Solve for x
x = 10,175,725,283.00/104,491.52 - Step 6: Final answer
x = 97,383.27
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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.