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Finding the Fourth Proportional to 116,686.40, 175,029.60 and 111,567.20

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Solution

The fourth proportional to 116,686.40, 175,029.60 and 111,567.20 is: 167,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,686.40 : 175,029.60 = 111,567.20 : x
  2. Step 2: Convert to fraction form
    116,686.40/175,029.60 = 111,567.20/x
  3. Step 3: Cross multiply
    116,686.40x = 175,029.60 × 111,567.20
  4. Step 4: Simplify right side
    116,686.40x = 19,527,562,389.12
  5. Step 5: Solve for x
    x = 19,527,562,389.12/116,686.40
  6. Step 6: Final answer
    x = 167,350.80

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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.