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Finding the Fourth Proportional to 125,365.44, 173,034.24 and 85,146.24

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Solution

The fourth proportional to 125,365.44, 173,034.24 and 85,146.24 is: 117,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,365.44 : 173,034.24 = 85,146.24 : x
  2. Step 2: Convert to fraction form
    125,365.44/173,034.24 = 85,146.24/x
  3. Step 3: Cross multiply
    125,365.44x = 173,034.24 × 85,146.24
  4. Step 4: Simplify right side
    125,365.44x = 14,733,214,927.26
  5. Step 5: Solve for x
    x = 14,733,214,927.26/125,365.44
  6. Step 6: Final answer
    x = 117,522.14

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1.5x scale

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.