Finding the Fourth Proportional to 169,485.63, 233,889.53 and 93,005.99
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Solution
The fourth proportional to 169,485.63, 233,889.53 and 93,005.99 is: 128,347.92
Step by Step Solution
- Step 1: Write the proportion equation
169,485.63 : 233,889.53 = 93,005.99 : x - Step 2: Convert to fraction form
169,485.63/233,889.53 = 93,005.99/x - Step 3: Cross multiply
169,485.63x = 233,889.53 × 93,005.99 - Step 4: Simplify right side
169,485.63x = 21,753,127,407.98 - Step 5: Solve for x
x = 21,753,127,407.98/169,485.63 - Step 6: Final answer
x = 128,347.92
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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.