Finding the Fourth Proportional to 372,312.90, 558,497.43 and 116,113.14
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Solution
The fourth proportional to 372,312.90, 558,497.43 and 116,113.14 is: 174,178.47
Step by Step Solution
- Step 1: Write the proportion equation
372,312.90 : 558,497.43 = 116,113.14 : x - Step 2: Convert to fraction form
372,312.90/558,497.43 = 116,113.14/x - Step 3: Cross multiply
372,312.90x = 558,497.43 × 116,113.14 - Step 4: Simplify right side
372,312.90x = 64,848,890,279.23 - Step 5: Solve for x
x = 64,848,890,279.23/372,312.90 - Step 6: Final answer
x = 174,178.47
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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.