Finding the Fourth Proportional to 346,020.75, 519,106.35 and 106,135.60
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Solution
The fourth proportional to 346,020.75, 519,106.35 and 106,135.60 is: 159,226.47
Step by Step Solution
- Step 1: Write the proportion equation
346,020.75 : 519,106.35 = 106,135.60 : x - Step 2: Convert to fraction form
346,020.75/519,106.35 = 106,135.60/x - Step 3: Cross multiply
346,020.75x = 519,106.35 × 106,135.60 - Step 4: Simplify right side
346,020.75x = 55,095,663,921.06 - Step 5: Solve for x
x = 55,095,663,921.06/346,020.75 - Step 6: Final answer
x = 159,226.47
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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.