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Finding the Fourth Proportional to 111,254.92, 153,528.90 and 62,197

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Solution

The fourth proportional to 111,254.92, 153,528.90 and 62,197 is: 85,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,254.92 : 153,528.90 = 62,197 : x
  2. Step 2: Convert to fraction form
    111,254.92/153,528.90 = 62,197/x
  3. Step 3: Cross multiply
    111,254.92x = 153,528.90 × 62,197
  4. Step 4: Simplify right side
    111,254.92x = 9,549,036,993.30
  5. Step 5: Solve for x
    x = 9,549,036,993.30/111,254.92
  6. Step 6: Final answer
    x = 85,830.24

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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.