Finding the Fourth Proportional to 153,088.97, 211,267.10 and 92,670.53
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Solution
The fourth proportional to 153,088.97, 211,267.10 and 92,670.53 is: 127,887.95
Step by Step Solution
- Step 1: Write the proportion equation
153,088.97 : 211,267.10 = 92,670.53 : x - Step 2: Convert to fraction form
153,088.97/211,267.10 = 92,670.53/x - Step 3: Cross multiply
153,088.97x = 211,267.10 × 92,670.53 - Step 4: Simplify right side
153,088.97x = 19,578,233,303.90 - Step 5: Solve for x
x = 19,578,233,303.90/153,088.97 - Step 6: Final answer
x = 127,887.95
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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.