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Finding the Fourth Proportional to 111,282.98, 153,623.73 and 63,527.10

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Solution

The fourth proportional to 111,282.98, 153,623.73 and 63,527.10 is: 87,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282.98 : 153,623.73 = 63,527.10 : x
  2. Step 2: Convert to fraction form
    111,282.98/153,623.73 = 63,527.10/x
  3. Step 3: Cross multiply
    111,282.98x = 153,623.73 × 63,527.10
  4. Step 4: Simplify right side
    111,282.98x = 9,759,270,058.08
  5. Step 5: Solve for x
    x = 9,759,270,058.08/111,282.98
  6. Step 6: Final answer
    x = 87,697.78

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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.