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Finding the Fourth Proportional to 116,892.80, 175,339.20 and 38,009.60

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Solution

The fourth proportional to 116,892.80, 175,339.20 and 38,009.60 is: 57,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,892.80 : 175,339.20 = 38,009.60 : x
  2. Step 2: Convert to fraction form
    116,892.80/175,339.20 = 38,009.60/x
  3. Step 3: Cross multiply
    116,892.80x = 175,339.20 × 38,009.60
  4. Step 4: Simplify right side
    116,892.80x = 6,664,572,856.32
  5. Step 5: Solve for x
    x = 6,664,572,856.32/116,892.80
  6. Step 6: Final answer
    x = 57,014.40

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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.