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Finding the Fourth Proportional to 124,080.60, 186,120.90 and 108,528.60

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Solution

The fourth proportional to 124,080.60, 186,120.90 and 108,528.60 is: 162,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,080.60 : 186,120.90 = 108,528.60 : x
  2. Step 2: Convert to fraction form
    124,080.60/186,120.90 = 108,528.60/x
  3. Step 3: Cross multiply
    124,080.60x = 186,120.90 × 108,528.60
  4. Step 4: Simplify right side
    124,080.60x = 20,199,440,707.74
  5. Step 5: Solve for x
    x = 20,199,440,707.74/124,080.60
  6. Step 6: Final answer
    x = 162,792.90

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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.