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Finding the Fourth Proportional to 125,442.75, 173,110.92 and 70,993.93

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Solution

The fourth proportional to 125,442.75, 173,110.92 and 70,993.93 is: 97,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,442.75 : 173,110.92 = 70,993.93 : x
  2. Step 2: Convert to fraction form
    125,442.75/173,110.92 = 70,993.93/x
  3. Step 3: Cross multiply
    125,442.75x = 173,110.92 × 70,993.93
  4. Step 4: Simplify right side
    125,442.75x = 12,289,824,536.72
  5. Step 5: Solve for x
    x = 12,289,824,536.72/125,442.75
  6. Step 6: Final answer
    x = 97,971.58

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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.