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Finding the Fourth Proportional to 113,362.56, 156,457.44 and 65,647.08

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Solution

The fourth proportional to 113,362.56, 156,457.44 and 65,647.08 is: 90,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,362.56 : 156,457.44 = 65,647.08 : x
  2. Step 2: Convert to fraction form
    113,362.56/156,457.44 = 65,647.08/x
  3. Step 3: Cross multiply
    113,362.56x = 156,457.44 × 65,647.08
  4. Step 4: Simplify right side
    113,362.56x = 10,270,974,080.28
  5. Step 5: Solve for x
    x = 10,270,974,080.28/113,362.56
  6. Step 6: Final answer
    x = 90,602.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.