Finding the Fourth Proportional to 316,934.74, 475,104.36 and 106,425.05
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Solution
The fourth proportional to 316,934.74, 475,104.36 and 106,425.05 is: 159,537.59
Step by Step Solution
- Step 1: Write the proportion equation
316,934.74 : 475,104.36 = 106,425.05 : x - Step 2: Convert to fraction form
316,934.74/475,104.36 = 106,425.05/x - Step 3: Cross multiply
316,934.74x = 475,104.36 × 106,425.05 - Step 4: Simplify right side
316,934.74x = 50,563,005,268.22 - Step 5: Solve for x
x = 50,563,005,268.22/316,934.74 - Step 6: Final answer
x = 159,537.59
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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.