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Finding the Fourth Proportional to 114,530.72, 170,866.12 and 108,330.57

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Solution

The fourth proportional to 114,530.72, 170,866.12 and 108,330.57 is: 161,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,530.72 : 170,866.12 = 108,330.57 : x
  2. Step 2: Convert to fraction form
    114,530.72/170,866.12 = 108,330.57/x
  3. Step 3: Cross multiply
    114,530.72x = 170,866.12 × 108,330.57
  4. Step 4: Simplify right side
    114,530.72x = 18,510,025,090.07
  5. Step 5: Solve for x
    x = 18,510,025,090.07/114,530.72
  6. Step 6: Final answer
    x = 161,616.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.