Finding the Fourth Proportional to 368,435.05, 552,652.52 and 102,195.57
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Solution
The fourth proportional to 368,435.05, 552,652.52 and 102,195.57 is: 153,293.33
Step by Step Solution
- Step 1: Write the proportion equation
368,435.05 : 552,652.52 = 102,195.57 : x - Step 2: Convert to fraction form
368,435.05/552,652.52 = 102,195.57/x - Step 3: Cross multiply
368,435.05x = 552,652.52 × 102,195.57 - Step 4: Simplify right side
368,435.05x = 56,478,636,019.10 - Step 5: Solve for x
x = 56,478,636,019.10/368,435.05 - Step 6: Final answer
x = 153,293.33
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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.