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Finding the Fourth Proportional to 237,699.58, 328,018 and 130,267.66

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Solution

The fourth proportional to 237,699.58, 328,018 and 130,267.66 is: 179,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,699.58 : 328,018 = 130,267.66 : x
  2. Step 2: Convert to fraction form
    237,699.58/328,018 = 130,267.66/x
  3. Step 3: Cross multiply
    237,699.58x = 328,018 × 130,267.66
  4. Step 4: Simplify right side
    237,699.58x = 42,730,137,297.88
  5. Step 5: Solve for x
    x = 42,730,137,297.88/237,699.58
  6. Step 6: Final answer
    x = 179,765.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.