Finding the Fourth Proportional to 316,885.05, 475,228.35 and 106,473.78
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Solution
The fourth proportional to 316,885.05, 475,228.35 and 106,473.78 is: 159,677.33
Step by Step Solution
- Step 1: Write the proportion equation
316,885.05 : 475,228.35 = 106,473.78 : x - Step 2: Convert to fraction form
316,885.05/475,228.35 = 106,473.78/x - Step 3: Cross multiply
316,885.05x = 475,228.35 × 106,473.78 - Step 4: Simplify right side
316,885.05x = 50,599,358,787.66 - Step 5: Solve for x
x = 50,599,358,787.66/316,885.05 - Step 6: Final answer
x = 159,677.33
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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.