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Finding the Fourth Proportional to 238,069.02, 328,535.04 and 130,645.80

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Solution

The fourth proportional to 238,069.02, 328,535.04 and 130,645.80 is: 180,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,069.02 : 328,535.04 = 130,645.80 : x
  2. Step 2: Convert to fraction form
    238,069.02/328,535.04 = 130,645.80/x
  3. Step 3: Cross multiply
    238,069.02x = 328,535.04 × 130,645.80
  4. Step 4: Simplify right side
    238,069.02x = 42,921,723,128.83
  5. Step 5: Solve for x
    x = 42,921,723,128.83/238,069.02
  6. Step 6: Final answer
    x = 180,291.09

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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.