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Finding the Fourth Proportional to 113,999.60, 170,999.40 and 96,284.90

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Solution

The fourth proportional to 113,999.60, 170,999.40 and 96,284.90 is: 144,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.60 : 170,999.40 = 96,284.90 : x
  2. Step 2: Convert to fraction form
    113,999.60/170,999.40 = 96,284.90/x
  3. Step 3: Cross multiply
    113,999.60x = 170,999.40 × 96,284.90
  4. Step 4: Simplify right side
    113,999.60x = 16,464,660,129.06
  5. Step 5: Solve for x
    x = 16,464,660,129.06/113,999.60
  6. Step 6: Final answer
    x = 144,427.35

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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.