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Finding the Fourth Proportional to 164,814.60, 247,221.90 and 153,004.80

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Solution

The fourth proportional to 164,814.60, 247,221.90 and 153,004.80 is: 229,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,814.60 : 247,221.90 = 153,004.80 : x
  2. Step 2: Convert to fraction form
    164,814.60/247,221.90 = 153,004.80/x
  3. Step 3: Cross multiply
    164,814.60x = 247,221.90 × 153,004.80
  4. Step 4: Simplify right side
    164,814.60x = 37,826,137,365.12
  5. Step 5: Solve for x
    x = 37,826,137,365.12/164,814.60
  6. Step 6: Final answer
    x = 229,507.20

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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.