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Finding the Fourth Proportional to 229,225.80, 343,838.70 and 166,240.20

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Solution

The fourth proportional to 229,225.80, 343,838.70 and 166,240.20 is: 249,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,225.80 : 343,838.70 = 166,240.20 : x
  2. Step 2: Convert to fraction form
    229,225.80/343,838.70 = 166,240.20/x
  3. Step 3: Cross multiply
    229,225.80x = 343,838.70 × 166,240.20
  4. Step 4: Simplify right side
    229,225.80x = 57,159,814,255.74
  5. Step 5: Solve for x
    x = 57,159,814,255.74/229,225.80
  6. Step 6: Final answer
    x = 249,360.30

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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.