Finding the Fourth Proportional to 124,032.07, 185,813.99 and 73,279.66
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Solution
The fourth proportional to 124,032.07, 185,813.99 and 73,279.66 is: 109,781.17
Step by Step Solution
- Step 1: Write the proportion equation
124,032.07 : 185,813.99 = 73,279.66 : x - Step 2: Convert to fraction form
124,032.07/185,813.99 = 73,279.66/x - Step 3: Cross multiply
124,032.07x = 185,813.99 × 73,279.66 - Step 4: Simplify right side
124,032.07x = 13,616,385,802.71 - Step 5: Solve for x
x = 13,616,385,802.71/124,032.07 - Step 6: Final answer
x = 109,781.17
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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.