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Finding the Fourth Proportional to 134,999.20, 202,498.80 and 93,008.80

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Solution

The fourth proportional to 134,999.20, 202,498.80 and 93,008.80 is: 139,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.20 : 202,498.80 = 93,008.80 : x
  2. Step 2: Convert to fraction form
    134,999.20/202,498.80 = 93,008.80/x
  3. Step 3: Cross multiply
    134,999.20x = 202,498.80 × 93,008.80
  4. Step 4: Simplify right side
    134,999.20x = 18,834,170,389.44
  5. Step 5: Solve for x
    x = 18,834,170,389.44/134,999.20
  6. Step 6: Final answer
    x = 139,513.20

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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.