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Finding the Fourth Proportional to 125,663.96, 173,416.14 and 68,303.22

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Solution

The fourth proportional to 125,663.96, 173,416.14 and 68,303.22 is: 94,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,663.96 : 173,416.14 = 68,303.22 : x
  2. Step 2: Convert to fraction form
    125,663.96/173,416.14 = 68,303.22/x
  3. Step 3: Cross multiply
    125,663.96x = 173,416.14 × 68,303.22
  4. Step 4: Simplify right side
    125,663.96x = 11,844,880,761.97
  5. Step 5: Solve for x
    x = 11,844,880,761.97/125,663.96
  6. Step 6: Final answer
    x = 94,258.38

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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.