Finding the Fourth Proportional to 147,326.04, 203,252.49 and 83,655.18
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Solution
The fourth proportional to 147,326.04, 203,252.49 and 83,655.18 is: 115,411.53
Step by Step Solution
- Step 1: Write the proportion equation
147,326.04 : 203,252.49 = 83,655.18 : x - Step 2: Convert to fraction form
147,326.04/203,252.49 = 83,655.18/x - Step 3: Cross multiply
147,326.04x = 203,252.49 × 83,655.18 - Step 4: Simplify right side
147,326.04x = 17,003,123,636.40 - Step 5: Solve for x
x = 17,003,123,636.40/147,326.04 - Step 6: Final answer
x = 115,411.53
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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.