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Finding the Fourth Proportional to 162,313.53, 223,988.48 and 90,694.14

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Solution

The fourth proportional to 162,313.53, 223,988.48 and 90,694.14 is: 125,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,313.53 : 223,988.48 = 90,694.14 : x
  2. Step 2: Convert to fraction form
    162,313.53/223,988.48 = 90,694.14/x
  3. Step 3: Cross multiply
    162,313.53x = 223,988.48 × 90,694.14
  4. Step 4: Simplify right side
    162,313.53x = 20,314,442,670.01
  5. Step 5: Solve for x
    x = 20,314,442,670.01/162,313.53
  6. Step 6: Final answer
    x = 125,155.57

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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.