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Finding the Fourth Proportional to 116,600.80, 174,944.40 and 112,280.80

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Solution

The fourth proportional to 116,600.80, 174,944.40 and 112,280.80 is: 168,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,600.80 : 174,944.40 = 112,280.80 : x
  2. Step 2: Convert to fraction form
    116,600.80/174,944.40 = 112,280.80/x
  3. Step 3: Cross multiply
    116,600.80x = 174,944.40 × 112,280.80
  4. Step 4: Simplify right side
    116,600.80x = 19,642,897,187.52
  5. Step 5: Solve for x
    x = 19,642,897,187.52/116,600.80
  6. Step 6: Final answer
    x = 168,462.80

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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.