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Finding the Fourth Proportional to 111,252.30, 153,528.35 and 65,952.54

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Solution

The fourth proportional to 111,252.30, 153,528.35 and 65,952.54 is: 91,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,252.30 : 153,528.35 = 65,952.54 : x
  2. Step 2: Convert to fraction form
    111,252.30/153,528.35 = 65,952.54/x
  3. Step 3: Cross multiply
    111,252.30x = 153,528.35 × 65,952.54
  4. Step 4: Simplify right side
    111,252.30x = 10,125,584,314.75
  5. Step 5: Solve for x
    x = 10,125,584,314.75/111,252.30
  6. Step 6: Final answer
    x = 91,014.61

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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.