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Finding the Fourth Proportional to 375,090, 562,635.12 and 112,434

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Solution

The fourth proportional to 375,090, 562,635.12 and 112,434 is: 168,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,090 : 562,635.12 = 112,434 : x
  2. Step 2: Convert to fraction form
    375,090/562,635.12 = 112,434/x
  3. Step 3: Cross multiply
    375,090x = 562,635.12 × 112,434
  4. Step 4: Simplify right side
    375,090x = 63,259,317,082.08
  5. Step 5: Solve for x
    x = 63,259,317,082.08/375,090
  6. Step 6: Final answer
    x = 168,651.04

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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.