Finding the Fourth Proportional to 158,565.84, 237,888.42 and 111,909.84
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Solution
The fourth proportional to 158,565.84, 237,888.42 and 111,909.84 is: 167,892.75
Step by Step Solution
- Step 1: Write the proportion equation
158,565.84 : 237,888.42 = 111,909.84 : x - Step 2: Convert to fraction form
158,565.84/237,888.42 = 111,909.84/x - Step 3: Cross multiply
158,565.84x = 237,888.42 × 111,909.84 - Step 4: Simplify right side
158,565.84x = 26,622,055,020.05 - Step 5: Solve for x
x = 26,622,055,020.05/158,565.84 - Step 6: Final answer
x = 167,892.75
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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.