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Finding the Fourth Proportional to 180,085.01, 248,510.63 and 99,510.86

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Solution

The fourth proportional to 180,085.01, 248,510.63 and 99,510.86 is: 137,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,085.01 : 248,510.63 = 99,510.86 : x
  2. Step 2: Convert to fraction form
    180,085.01/248,510.63 = 99,510.86/x
  3. Step 3: Cross multiply
    180,085.01x = 248,510.63 × 99,510.86
  4. Step 4: Simplify right side
    180,085.01x = 24,729,507,380.50
  5. Step 5: Solve for x
    x = 24,729,507,380.50/180,085.01
  6. Step 6: Final answer
    x = 137,321.30

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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.