Finding the Fourth Proportional to 124,148.94, 171,318.06 and 69,697.08
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Solution
The fourth proportional to 124,148.94, 171,318.06 and 69,697.08 is: 96,177.77
Step by Step Solution
- Step 1: Write the proportion equation
124,148.94 : 171,318.06 = 69,697.08 : x - Step 2: Convert to fraction form
124,148.94/171,318.06 = 69,697.08/x - Step 3: Cross multiply
124,148.94x = 171,318.06 × 69,697.08 - Step 4: Simplify right side
124,148.94x = 11,940,368,533.26 - Step 5: Solve for x
x = 11,940,368,533.26/124,148.94 - Step 6: Final answer
x = 96,177.77
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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.