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Finding the Fourth Proportional to 174,128.40, 261,192.60 and 55,884.60

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Solution

The fourth proportional to 174,128.40, 261,192.60 and 55,884.60 is: 83,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,128.40 : 261,192.60 = 55,884.60 : x
  2. Step 2: Convert to fraction form
    174,128.40/261,192.60 = 55,884.60/x
  3. Step 3: Cross multiply
    174,128.40x = 261,192.60 × 55,884.60
  4. Step 4: Simplify right side
    174,128.40x = 14,596,643,973.96
  5. Step 5: Solve for x
    x = 14,596,643,973.96/174,128.40
  6. Step 6: Final answer
    x = 83,826.90

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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.