Finding the Fourth Proportional to 117,663.44, 176,395.84 and 51,053.36
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Solution
The fourth proportional to 117,663.44, 176,395.84 and 51,053.36 is: 76,536.95
Step by Step Solution
- Step 1: Write the proportion equation
117,663.44 : 176,395.84 = 51,053.36 : x - Step 2: Convert to fraction form
117,663.44/176,395.84 = 51,053.36/x - Step 3: Cross multiply
117,663.44x = 176,395.84 × 51,053.36 - Step 4: Simplify right side
117,663.44x = 9,005,600,322.02 - Step 5: Solve for x
x = 9,005,600,322.02/117,663.44 - Step 6: Final answer
x = 76,536.95
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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.