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Finding the Fourth Proportional to 112,222.88, 154,870.82 and 61,925.12

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Solution

The fourth proportional to 112,222.88, 154,870.82 and 61,925.12 is: 85,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,222.88 : 154,870.82 = 61,925.12 : x
  2. Step 2: Convert to fraction form
    112,222.88/154,870.82 = 61,925.12/x
  3. Step 3: Cross multiply
    112,222.88x = 154,870.82 × 61,925.12
  4. Step 4: Simplify right side
    112,222.88x = 9,590,394,113.00
  5. Step 5: Solve for x
    x = 9,590,394,113.00/112,222.88
  6. Step 6: Final answer
    x = 85,458.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.