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Finding the Fourth Proportional to 134,970.80, 202,456.20 and 132,897.20

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Solution

The fourth proportional to 134,970.80, 202,456.20 and 132,897.20 is: 199,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,970.80 : 202,456.20 = 132,897.20 : x
  2. Step 2: Convert to fraction form
    134,970.80/202,456.20 = 132,897.20/x
  3. Step 3: Cross multiply
    134,970.80x = 202,456.20 × 132,897.20
  4. Step 4: Simplify right side
    134,970.80x = 26,905,862,102.64
  5. Step 5: Solve for x
    x = 26,905,862,102.64/134,970.80
  6. Step 6: Final answer
    x = 199,345.80

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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.