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Finding the Fourth Proportional to 163,779.94, 245,671.53 and 69,026.14

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Solution

The fourth proportional to 163,779.94, 245,671.53 and 69,026.14 is: 103,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,779.94 : 245,671.53 = 69,026.14 : x
  2. Step 2: Convert to fraction form
    163,779.94/245,671.53 = 69,026.14/x
  3. Step 3: Cross multiply
    163,779.94x = 245,671.53 × 69,026.14
  4. Step 4: Simplify right side
    163,779.94x = 16,957,757,423.79
  5. Step 5: Solve for x
    x = 16,957,757,423.79/163,779.94
  6. Step 6: Final answer
    x = 103,539.89

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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.