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Finding the Fourth Proportional to 102,024.80, 152,887.80 and 91,494.80

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Solution

The fourth proportional to 102,024.80, 152,887.80 and 91,494.80 is: 137,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,024.80 : 152,887.80 = 91,494.80 : x
  2. Step 2: Convert to fraction form
    102,024.80/152,887.80 = 91,494.80/x
  3. Step 3: Cross multiply
    102,024.80x = 152,887.80 × 91,494.80
  4. Step 4: Simplify right side
    102,024.80x = 13,988,438,683.44
  5. Step 5: Solve for x
    x = 13,988,438,683.44/102,024.80
  6. Step 6: Final answer
    x = 137,108.22

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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.