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Finding the Fourth Proportional to 162,030.80, 243,046.20 and 161,046.65

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Solution

The fourth proportional to 162,030.80, 243,046.20 and 161,046.65 is: 241,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.80 : 243,046.20 = 161,046.65 : x
  2. Step 2: Convert to fraction form
    162,030.80/243,046.20 = 161,046.65/x
  3. Step 3: Cross multiply
    162,030.80x = 243,046.20 × 161,046.65
  4. Step 4: Simplify right side
    162,030.80x = 39,141,776,305.23
  5. Step 5: Solve for x
    x = 39,141,776,305.23/162,030.80
  6. Step 6: Final answer
    x = 241,569.98

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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.