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Finding the Fourth Proportional to 169,969.65, 254,954.48 and 143,397.60

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Solution

The fourth proportional to 169,969.65, 254,954.48 and 143,397.60 is: 215,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,969.65 : 254,954.48 = 143,397.60 : x
  2. Step 2: Convert to fraction form
    169,969.65/254,954.48 = 143,397.60/x
  3. Step 3: Cross multiply
    169,969.65x = 254,954.48 × 143,397.60
  4. Step 4: Simplify right side
    169,969.65x = 36,559,859,824.26
  5. Step 5: Solve for x
    x = 36,559,859,824.26/169,969.65
  6. Step 6: Final answer
    x = 215,096.40

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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.