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Finding the Fourth Proportional to 111,283.01, 153,623.77 and 63,527.13

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Solution

The fourth proportional to 111,283.01, 153,623.77 and 63,527.13 is: 87,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.01 : 153,623.77 = 63,527.13 : x
  2. Step 2: Convert to fraction form
    111,283.01/153,623.77 = 63,527.13/x
  3. Step 3: Cross multiply
    111,283.01x = 153,623.77 × 63,527.13
  4. Step 4: Simplify right side
    111,283.01x = 9,759,277,207.88
  5. Step 5: Solve for x
    x = 9,759,277,207.88/111,283.01
  6. Step 6: Final answer
    x = 87,697.82

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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.