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Finding the Fourth Proportional to 340,159.10, 510,237.62 and 162,624.58

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Solution

The fourth proportional to 340,159.10, 510,237.62 and 162,624.58 is: 243,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,159.10 : 510,237.62 = 162,624.58 : x
  2. Step 2: Convert to fraction form
    340,159.10/510,237.62 = 162,624.58/x
  3. Step 3: Cross multiply
    340,159.10x = 510,237.62 × 162,624.58
  4. Step 4: Simplify right side
    340,159.10x = 82,977,178,652.70
  5. Step 5: Solve for x
    x = 82,977,178,652.70/340,159.10
  6. Step 6: Final answer
    x = 243,936.38

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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.