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Finding the Fourth Proportional to 112,369.20, 168,602.88 and 65,622.24

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Solution

The fourth proportional to 112,369.20, 168,602.88 and 65,622.24 is: 98,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,369.20 : 168,602.88 = 65,622.24 : x
  2. Step 2: Convert to fraction form
    112,369.20/168,602.88 = 65,622.24/x
  3. Step 3: Cross multiply
    112,369.20x = 168,602.88 × 65,622.24
  4. Step 4: Simplify right side
    112,369.20x = 11,064,098,656.05
  5. Step 5: Solve for x
    x = 11,064,098,656.05/112,369.20
  6. Step 6: Final answer
    x = 98,462.02

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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.