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Finding the Fourth Proportional to 162,576.66, 243,804.39 and 55,930.79

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Solution

The fourth proportional to 162,576.66, 243,804.39 and 55,930.79 is: 83,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,576.66 : 243,804.39 = 55,930.79 : x
  2. Step 2: Convert to fraction form
    162,576.66/243,804.39 = 55,930.79/x
  3. Step 3: Cross multiply
    162,576.66x = 243,804.39 × 55,930.79
  4. Step 4: Simplify right side
    162,576.66x = 13,636,172,138.17
  5. Step 5: Solve for x
    x = 13,636,172,138.17/162,576.66
  6. Step 6: Final answer
    x = 83,875.34

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1.5x scale

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.