Finding the Fourth Proportional to 176,664.21, 243,774.46 and 119,428.07
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Solution
The fourth proportional to 176,664.21, 243,774.46 and 119,428.07 is: 164,795.76
Step by Step Solution
- Step 1: Write the proportion equation
176,664.21 : 243,774.46 = 119,428.07 : x - Step 2: Convert to fraction form
176,664.21/243,774.46 = 119,428.07/x - Step 3: Cross multiply
176,664.21x = 243,774.46 × 119,428.07 - Step 4: Simplify right side
176,664.21x = 29,113,513,273.09 - Step 5: Solve for x
x = 29,113,513,273.09/176,664.21 - Step 6: Final answer
x = 164,795.76
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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.