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Finding the Fourth Proportional to 229,133.60, 344,008.20 and 134,460.80

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Solution

The fourth proportional to 229,133.60, 344,008.20 and 134,460.80 is: 201,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,133.60 : 344,008.20 = 134,460.80 : x
  2. Step 2: Convert to fraction form
    229,133.60/344,008.20 = 134,460.80/x
  3. Step 3: Cross multiply
    229,133.60x = 344,008.20 × 134,460.80
  4. Step 4: Simplify right side
    229,133.60x = 46,255,617,778.56
  5. Step 5: Solve for x
    x = 46,255,617,778.56/229,133.60
  6. Step 6: Final answer
    x = 201,871.82

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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.