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Finding the Fourth Proportional to 125,476.58, 173,081.52 and 74,455.67

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Solution

The fourth proportional to 125,476.58, 173,081.52 and 74,455.67 is: 102,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,476.58 : 173,081.52 = 74,455.67 : x
  2. Step 2: Convert to fraction form
    125,476.58/173,081.52 = 74,455.67/x
  3. Step 3: Cross multiply
    125,476.58x = 173,081.52 × 74,455.67
  4. Step 4: Simplify right side
    125,476.58x = 12,886,900,536.22
  5. Step 5: Solve for x
    x = 12,886,900,536.22/125,476.58
  6. Step 6: Final answer
    x = 102,703.63

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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.