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Finding the Fourth Proportional to 113,901.60, 170,852.40 and 47,319.60

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Solution

The fourth proportional to 113,901.60, 170,852.40 and 47,319.60 is: 70,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,901.60 : 170,852.40 = 47,319.60 : x
  2. Step 2: Convert to fraction form
    113,901.60/170,852.40 = 47,319.60/x
  3. Step 3: Cross multiply
    113,901.60x = 170,852.40 × 47,319.60
  4. Step 4: Simplify right side
    113,901.60x = 8,084,667,227.04
  5. Step 5: Solve for x
    x = 8,084,667,227.04/113,901.60
  6. Step 6: Final answer
    x = 70,979.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.