Finding the Fourth Proportional to 125,656.93, 173,407.14 and 69,071.95
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Solution
The fourth proportional to 125,656.93, 173,407.14 and 69,071.95 is: 95,319.61
Step by Step Solution
- Step 1: Write the proportion equation
125,656.93 : 173,407.14 = 69,071.95 : x - Step 2: Convert to fraction form
125,656.93/173,407.14 = 69,071.95/x - Step 3: Cross multiply
125,656.93x = 173,407.14 × 69,071.95 - Step 4: Simplify right side
125,656.93x = 11,977,569,303.72 - Step 5: Solve for x
x = 11,977,569,303.72/125,656.93 - Step 6: Final answer
x = 95,319.61
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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.