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Finding the Fourth Proportional to 235,875.57, 325,534.31 and 145,213.48

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Solution

The fourth proportional to 235,875.57, 325,534.31 and 145,213.48 is: 200,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,875.57 : 325,534.31 = 145,213.48 : x
  2. Step 2: Convert to fraction form
    235,875.57/325,534.31 = 145,213.48/x
  3. Step 3: Cross multiply
    235,875.57x = 325,534.31 × 145,213.48
  4. Step 4: Simplify right side
    235,875.57x = 47,271,970,014.50
  5. Step 5: Solve for x
    x = 47,271,970,014.50/235,875.57
  6. Step 6: Final answer
    x = 200,410.62

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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.