Finding the Fourth Proportional to 292,434.06, 438,667.08 and 92,739.99
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Solution
The fourth proportional to 292,434.06, 438,667.08 and 92,739.99 is: 139,115.06
Step by Step Solution
- Step 1: Write the proportion equation
292,434.06 : 438,667.08 = 92,739.99 : x - Step 2: Convert to fraction form
292,434.06/438,667.08 = 92,739.99/x - Step 3: Cross multiply
292,434.06x = 438,667.08 × 92,739.99 - Step 4: Simplify right side
292,434.06x = 40,681,980,612.53 - Step 5: Solve for x
x = 40,681,980,612.53/292,434.06 - Step 6: Final answer
x = 139,115.06
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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.