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Finding the Fourth Proportional to 111,283.51, 153,624.46 and 63,527.63

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Solution

The fourth proportional to 111,283.51, 153,624.46 and 63,527.63 is: 87,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.51 : 153,624.46 = 63,527.63 : x
  2. Step 2: Convert to fraction form
    111,283.51/153,624.46 = 63,527.63/x
  3. Step 3: Cross multiply
    111,283.51x = 153,624.46 × 63,527.63
  4. Step 4: Simplify right side
    111,283.51x = 9,759,397,853.83
  5. Step 5: Solve for x
    x = 9,759,397,853.83/111,283.51
  6. Step 6: Final answer
    x = 87,698.51

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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.