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Finding the Fourth Proportional to 188,627.04, 260,344.92 and 119,671.68

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Solution

The fourth proportional to 188,627.04, 260,344.92 and 119,671.68 is: 165,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,627.04 : 260,344.92 = 119,671.68 : x
  2. Step 2: Convert to fraction form
    188,627.04/260,344.92 = 119,671.68/x
  3. Step 3: Cross multiply
    188,627.04x = 260,344.92 × 119,671.68
  4. Step 4: Simplify right side
    188,627.04x = 31,155,913,955.87
  5. Step 5: Solve for x
    x = 31,155,913,955.87/188,627.04
  6. Step 6: Final answer
    x = 165,172.05

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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.