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Finding the Fourth Proportional to 110,887.12, 153,024.20 and 59,899.84

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Solution

The fourth proportional to 110,887.12, 153,024.20 and 59,899.84 is: 82,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,887.12 : 153,024.20 = 59,899.84 : x
  2. Step 2: Convert to fraction form
    110,887.12/153,024.20 = 59,899.84/x
  3. Step 3: Cross multiply
    110,887.12x = 153,024.20 × 59,899.84
  4. Step 4: Simplify right side
    110,887.12x = 9,166,125,096.13
  5. Step 5: Solve for x
    x = 9,166,125,096.13/110,887.12
  6. Step 6: Final answer
    x = 82,661.77

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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.