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Finding the Fourth Proportional to 116,312.80, 174,728.40 and 111,589.60

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Solution

The fourth proportional to 116,312.80, 174,728.40 and 111,589.60 is: 167,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,312.80 : 174,728.40 = 111,589.60 : x
  2. Step 2: Convert to fraction form
    116,312.80/174,728.40 = 111,589.60/x
  3. Step 3: Cross multiply
    116,312.80x = 174,728.40 × 111,589.60
  4. Step 4: Simplify right side
    116,312.80x = 19,497,872,264.64
  5. Step 5: Solve for x
    x = 19,497,872,264.64/116,312.80
  6. Step 6: Final answer
    x = 167,633.07

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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.