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Finding the Fourth Proportional to 156,674.08, 235,011.16 and 45,866.08

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Solution

The fourth proportional to 156,674.08, 235,011.16 and 45,866.08 is: 68,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,674.08 : 235,011.16 = 45,866.08 : x
  2. Step 2: Convert to fraction form
    156,674.08/235,011.16 = 45,866.08/x
  3. Step 3: Cross multiply
    156,674.08x = 235,011.16 × 45,866.08
  4. Step 4: Simplify right side
    156,674.08x = 10,779,040,665.45
  5. Step 5: Solve for x
    x = 10,779,040,665.45/156,674.08
  6. Step 6: Final answer
    x = 68,799.13

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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.