Finding the Fourth Proportional to 148,118.49, 204,398.46 and 84,476.79
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Solution
The fourth proportional to 148,118.49, 204,398.46 and 84,476.79 is: 116,575.09
Step by Step Solution
- Step 1: Write the proportion equation
148,118.49 : 204,398.46 = 84,476.79 : x - Step 2: Convert to fraction form
148,118.49/204,398.46 = 84,476.79/x - Step 3: Cross multiply
148,118.49x = 204,398.46 × 84,476.79 - Step 4: Simplify right side
148,118.49x = 17,266,925,781.74 - Step 5: Solve for x
x = 17,266,925,781.74/148,118.49 - Step 6: Final answer
x = 116,575.09
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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.