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Finding the Fourth Proportional to 104,802.60, 157,203.90 and 34,672.80

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Solution

The fourth proportional to 104,802.60, 157,203.90 and 34,672.80 is: 52,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.60 : 157,203.90 = 34,672.80 : x
  2. Step 2: Convert to fraction form
    104,802.60/157,203.90 = 34,672.80/x
  3. Step 3: Cross multiply
    104,802.60x = 157,203.90 × 34,672.80
  4. Step 4: Simplify right side
    104,802.60x = 5,450,699,383.92
  5. Step 5: Solve for x
    x = 5,450,699,383.92/104,802.60
  6. Step 6: Final answer
    x = 52,009.20

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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.