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Finding the Fourth Proportional to 93,950.84, 128,858.32 and 88,867.28

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Solution

The fourth proportional to 93,950.84, 128,858.32 and 88,867.28 is: 121,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,950.84 : 128,858.32 = 88,867.28 : x
  2. Step 2: Convert to fraction form
    93,950.84/128,858.32 = 88,867.28/x
  3. Step 3: Cross multiply
    93,950.84x = 128,858.32 × 88,867.28
  4. Step 4: Simplify right side
    93,950.84x = 11,451,288,403.77
  5. Step 5: Solve for x
    x = 11,451,288,403.77/93,950.84
  6. Step 6: Final answer
    x = 121,885.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.