Finding the Fourth Proportional to 368,691.18, 553,124.25 and 119,373.18
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Solution
The fourth proportional to 368,691.18, 553,124.25 and 119,373.18 is: 179,088.09
Step by Step Solution
- Step 1: Write the proportion equation
368,691.18 : 553,124.25 = 119,373.18 : x - Step 2: Convert to fraction form
368,691.18/553,124.25 = 119,373.18/x - Step 3: Cross multiply
368,691.18x = 553,124.25 × 119,373.18 - Step 4: Simplify right side
368,691.18x = 66,028,200,657.62 - Step 5: Solve for x
x = 66,028,200,657.62/368,691.18 - Step 6: Final answer
x = 179,088.09
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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.