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Finding the Fourth Proportional to 112,223.88, 154,925.08 and 69,796.08

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Solution

The fourth proportional to 112,223.88, 154,925.08 and 69,796.08 is: 96,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.88 : 154,925.08 = 69,796.08 : x
  2. Step 2: Convert to fraction form
    112,223.88/154,925.08 = 69,796.08/x
  3. Step 3: Cross multiply
    112,223.88x = 154,925.08 × 69,796.08
  4. Step 4: Simplify right side
    112,223.88x = 10,813,163,277.69
  5. Step 5: Solve for x
    x = 10,813,163,277.69/112,223.88
  6. Step 6: Final answer
    x = 96,353.50

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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.