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Finding the Fourth Proportional to 162,923.80, 244,385.70 and 109,779.70

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Solution

The fourth proportional to 162,923.80, 244,385.70 and 109,779.70 is: 164,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,923.80 : 244,385.70 = 109,779.70 : x
  2. Step 2: Convert to fraction form
    162,923.80/244,385.70 = 109,779.70/x
  3. Step 3: Cross multiply
    162,923.80x = 244,385.70 × 109,779.70
  4. Step 4: Simplify right side
    162,923.80x = 26,828,588,830.29
  5. Step 5: Solve for x
    x = 26,828,588,830.29/162,923.80
  6. Step 6: Final answer
    x = 164,669.55

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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.