Finding the Fourth Proportional to 162,332.26, 243,585.60 and 79,226.26
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Solution
The fourth proportional to 162,332.26, 243,585.60 and 79,226.26 is: 118,881.95
Step by Step Solution
- Step 1: Write the proportion equation
162,332.26 : 243,585.60 = 79,226.26 : x - Step 2: Convert to fraction form
162,332.26/243,585.60 = 79,226.26/x - Step 3: Cross multiply
162,332.26x = 243,585.60 × 79,226.26 - Step 4: Simplify right side
162,332.26x = 19,298,376,077.86 - Step 5: Solve for x
x = 19,298,376,077.86/162,332.26 - Step 6: Final answer
x = 118,881.95
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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.