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Finding the Fourth Proportional to 169,346.60, 254,120.70 and 64,176.20

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Solution

The fourth proportional to 169,346.60, 254,120.70 and 64,176.20 is: 96,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,346.60 : 254,120.70 = 64,176.20 : x
  2. Step 2: Convert to fraction form
    169,346.60/254,120.70 = 64,176.20/x
  3. Step 3: Cross multiply
    169,346.60x = 254,120.70 × 64,176.20
  4. Step 4: Simplify right side
    169,346.60x = 16,308,500,867.34
  5. Step 5: Solve for x
    x = 16,308,500,867.34/169,346.60
  6. Step 6: Final answer
    x = 96,302.50

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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.