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Finding the Fourth Proportional to 194,603.80, 291,291.30 and 188,459.80

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Solution

The fourth proportional to 194,603.80, 291,291.30 and 188,459.80 is: 282,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,603.80 : 291,291.30 = 188,459.80 : x
  2. Step 2: Convert to fraction form
    194,603.80/291,291.30 = 188,459.80/x
  3. Step 3: Cross multiply
    194,603.80x = 291,291.30 × 188,459.80
  4. Step 4: Simplify right side
    194,603.80x = 54,896,700,139.74
  5. Step 5: Solve for x
    x = 54,896,700,139.74/194,603.80
  6. Step 6: Final answer
    x = 282,094.70

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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.