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Finding the Fourth Proportional to 162,665.80, 244,038.70 and 56,051.40

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Solution

The fourth proportional to 162,665.80, 244,038.70 and 56,051.40 is: 84,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,665.80 : 244,038.70 = 56,051.40 : x
  2. Step 2: Convert to fraction form
    162,665.80/244,038.70 = 56,051.40/x
  3. Step 3: Cross multiply
    162,665.80x = 244,038.70 × 56,051.40
  4. Step 4: Simplify right side
    162,665.80x = 13,678,710,789.18
  5. Step 5: Solve for x
    x = 13,678,710,789.18/162,665.80
  6. Step 6: Final answer
    x = 84,090.88

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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.