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Finding the Fourth Proportional to 194,462.55, 291,482.91 and 99,562.59

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Solution

The fourth proportional to 194,462.55, 291,482.91 and 99,562.59 is: 149,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,462.55 : 291,482.91 = 99,562.59 : x
  2. Step 2: Convert to fraction form
    194,462.55/291,482.91 = 99,562.59/x
  3. Step 3: Cross multiply
    194,462.55x = 291,482.91 × 99,562.59
  4. Step 4: Simplify right side
    194,462.55x = 29,020,793,460.34
  5. Step 5: Solve for x
    x = 29,020,793,460.34/194,462.55
  6. Step 6: Final answer
    x = 149,235.90

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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.