Finding the Fourth Proportional to 124,258.24, 171,470.28 and 70,536.07
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Solution
The fourth proportional to 124,258.24, 171,470.28 and 70,536.07 is: 97,336.32
Step by Step Solution
- Step 1: Write the proportion equation
124,258.24 : 171,470.28 = 70,536.07 : x - Step 2: Convert to fraction form
124,258.24/171,470.28 = 70,536.07/x - Step 3: Cross multiply
124,258.24x = 171,470.28 × 70,536.07 - Step 4: Simplify right side
124,258.24x = 12,094,839,673.00 - Step 5: Solve for x
x = 12,094,839,673.00/124,258.24 - Step 6: Final answer
x = 97,336.32
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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.