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Finding the Fourth Proportional to 186,459.64, 279,467.34 and 107,410.12

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Solution

The fourth proportional to 186,459.64, 279,467.34 and 107,410.12 is: 160,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,459.64 : 279,467.34 = 107,410.12 : x
  2. Step 2: Convert to fraction form
    186,459.64/279,467.34 = 107,410.12/x
  3. Step 3: Cross multiply
    186,459.64x = 279,467.34 × 107,410.12
  4. Step 4: Simplify right side
    186,459.64x = 30,017,620,525.48
  5. Step 5: Solve for x
    x = 30,017,620,525.48/186,459.64
  6. Step 6: Final answer
    x = 160,987.23

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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.