Finding the Fourth Proportional to 163,699.68, 245,548.71 and 141,444.93
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Solution
The fourth proportional to 163,699.68, 245,548.71 and 141,444.93 is: 212,166.70
Step by Step Solution
- Step 1: Write the proportion equation
163,699.68 : 245,548.71 = 141,444.93 : x - Step 2: Convert to fraction form
163,699.68/245,548.71 = 141,444.93/x - Step 3: Cross multiply
163,699.68x = 245,548.71 × 141,444.93 - Step 4: Simplify right side
163,699.68x = 34,731,620,097.54 - Step 5: Solve for x
x = 34,731,620,097.54/163,699.68 - Step 6: Final answer
x = 212,166.70
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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.