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Finding the Fourth Proportional to 112,035.53, 154,607.02 and 61,048.70

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Solution

The fourth proportional to 112,035.53, 154,607.02 and 61,048.70 is: 84,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035.53 : 154,607.02 = 61,048.70 : x
  2. Step 2: Convert to fraction form
    112,035.53/154,607.02 = 61,048.70/x
  3. Step 3: Cross multiply
    112,035.53x = 154,607.02 × 61,048.70
  4. Step 4: Simplify right side
    112,035.53x = 9,438,556,656.22
  5. Step 5: Solve for x
    x = 9,438,556,656.22/112,035.53
  6. Step 6: Final answer
    x = 84,246.11

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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.