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Finding the Fourth Proportional to 113,303.60, 169,847.40 and 42,207.20

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Solution

The fourth proportional to 113,303.60, 169,847.40 and 42,207.20 is: 63,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,303.60 : 169,847.40 = 42,207.20 : x
  2. Step 2: Convert to fraction form
    113,303.60/169,847.40 = 42,207.20/x
  3. Step 3: Cross multiply
    113,303.60x = 169,847.40 × 42,207.20
  4. Step 4: Simplify right side
    113,303.60x = 7,168,783,181.28
  5. Step 5: Solve for x
    x = 7,168,783,181.28/113,303.60
  6. Step 6: Final answer
    x = 63,270.57

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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.