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Finding the Fourth Proportional to 111,406.77, 166,710.93 and 96,465.42

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Solution

The fourth proportional to 111,406.77, 166,710.93 and 96,465.42 is: 144,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,406.77 : 166,710.93 = 96,465.42 : x
  2. Step 2: Convert to fraction form
    111,406.77/166,710.93 = 96,465.42/x
  3. Step 3: Cross multiply
    111,406.77x = 166,710.93 × 96,465.42
  4. Step 4: Simplify right side
    111,406.77x = 16,081,839,881.04
  5. Step 5: Solve for x
    x = 16,081,839,881.04/111,406.77
  6. Step 6: Final answer
    x = 144,352.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.