Finding the Fourth Proportional to 124,057.14, 171,237.84 and 70,377.84
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Solution
The fourth proportional to 124,057.14, 171,237.84 and 70,377.84 is: 97,143.54
Step by Step Solution
- Step 1: Write the proportion equation
124,057.14 : 171,237.84 = 70,377.84 : x - Step 2: Convert to fraction form
124,057.14/171,237.84 = 70,377.84/x - Step 3: Cross multiply
124,057.14x = 171,237.84 × 70,377.84 - Step 4: Simplify right side
124,057.14x = 12,051,349,305.47 - Step 5: Solve for x
x = 12,051,349,305.47/124,057.14 - Step 6: Final answer
x = 97,143.54
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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.