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Finding the Fourth Proportional to 113,495.60, 170,243.40 and 95,999.60

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Solution

The fourth proportional to 113,495.60, 170,243.40 and 95,999.60 is: 143,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,495.60 : 170,243.40 = 95,999.60 : x
  2. Step 2: Convert to fraction form
    113,495.60/170,243.40 = 95,999.60/x
  3. Step 3: Cross multiply
    113,495.60x = 170,243.40 × 95,999.60
  4. Step 4: Simplify right side
    113,495.60x = 16,343,298,302.64
  5. Step 5: Solve for x
    x = 16,343,298,302.64/113,495.60
  6. Step 6: Final answer
    x = 143,999.40

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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.