Finding the Fourth Proportional to 133,748.15, 184,599.64 and 122,975.95
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Solution
The fourth proportional to 133,748.15, 184,599.64 and 122,975.95 is: 169,731.82
Step by Step Solution
- Step 1: Write the proportion equation
133,748.15 : 184,599.64 = 122,975.95 : x - Step 2: Convert to fraction form
133,748.15/184,599.64 = 122,975.95/x - Step 3: Cross multiply
133,748.15x = 184,599.64 × 122,975.95 - Step 4: Simplify right side
133,748.15x = 22,701,316,137.00 - Step 5: Solve for x
x = 22,701,316,137.00/133,748.15 - Step 6: Final answer
x = 169,731.82
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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.