Finding the Fourth Proportional to 178,053.02, 245,716.08 and 97,479.20
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Solution
The fourth proportional to 178,053.02, 245,716.08 and 97,479.20 is: 134,522.89
Step by Step Solution
- Step 1: Write the proportion equation
178,053.02 : 245,716.08 = 97,479.20 : x - Step 2: Convert to fraction form
178,053.02/245,716.08 = 97,479.20/x - Step 3: Cross multiply
178,053.02x = 245,716.08 × 97,479.20 - Step 4: Simplify right side
178,053.02x = 23,952,206,905.54 - Step 5: Solve for x
x = 23,952,206,905.54/178,053.02 - Step 6: Final answer
x = 134,522.89
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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.