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Finding the Fourth Proportional to 169,614.40, 234,141.60 and 110,017.60

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Solution

The fourth proportional to 169,614.40, 234,141.60 and 110,017.60 is: 151,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.40 : 234,141.60 = 110,017.60 : x
  2. Step 2: Convert to fraction form
    169,614.40/234,141.60 = 110,017.60/x
  3. Step 3: Cross multiply
    169,614.40x = 234,141.60 × 110,017.60
  4. Step 4: Simplify right side
    169,614.40x = 25,759,696,892.16
  5. Step 5: Solve for x
    x = 25,759,696,892.16/169,614.40
  6. Step 6: Final answer
    x = 151,872.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.