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Finding the Fourth Proportional to 111,485.67, 153,849.44 and 60,497.10

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Solution

The fourth proportional to 111,485.67, 153,849.44 and 60,497.10 is: 83,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,485.67 : 153,849.44 = 60,497.10 : x
  2. Step 2: Convert to fraction form
    111,485.67/153,849.44 = 60,497.10/x
  3. Step 3: Cross multiply
    111,485.67x = 153,849.44 × 60,497.10
  4. Step 4: Simplify right side
    111,485.67x = 9,307,444,654.14
  5. Step 5: Solve for x
    x = 9,307,444,654.14/111,485.67
  6. Step 6: Final answer
    x = 83,485.57

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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.