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Finding the Fourth Proportional to 152,062.80, 228,094.20 and 137,029.20

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Solution

The fourth proportional to 152,062.80, 228,094.20 and 137,029.20 is: 205,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,062.80 : 228,094.20 = 137,029.20 : x
  2. Step 2: Convert to fraction form
    152,062.80/228,094.20 = 137,029.20/x
  3. Step 3: Cross multiply
    152,062.80x = 228,094.20 × 137,029.20
  4. Step 4: Simplify right side
    152,062.80x = 31,255,565,750.64
  5. Step 5: Solve for x
    x = 31,255,565,750.64/152,062.80
  6. Step 6: Final answer
    x = 205,543.80

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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.