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Finding the Fourth Proportional to 153,510.56, 230,199.96 and 53,640.80

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Solution

The fourth proportional to 153,510.56, 230,199.96 and 53,640.80 is: 80,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,510.56 : 230,199.96 = 53,640.80 : x
  2. Step 2: Convert to fraction form
    153,510.56/230,199.96 = 53,640.80/x
  3. Step 3: Cross multiply
    153,510.56x = 230,199.96 × 53,640.80
  4. Step 4: Simplify right side
    153,510.56x = 12,348,110,014.37
  5. Step 5: Solve for x
    x = 12,348,110,014.37/153,510.56
  6. Step 6: Final answer
    x = 80,438.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.