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Finding the Fourth Proportional to 164,445.60, 246,783.60 and 105,424.80

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Solution

The fourth proportional to 164,445.60, 246,783.60 and 105,424.80 is: 158,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,445.60 : 246,783.60 = 105,424.80 : x
  2. Step 2: Convert to fraction form
    164,445.60/246,783.60 = 105,424.80/x
  3. Step 3: Cross multiply
    164,445.60x = 246,783.60 × 105,424.80
  4. Step 4: Simplify right side
    164,445.60x = 26,017,111,673.28
  5. Step 5: Solve for x
    x = 26,017,111,673.28/164,445.60
  6. Step 6: Final answer
    x = 158,211.05

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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.