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Finding the Fourth Proportional to 161,353.60, 242,038.32 and 43,026

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Solution

The fourth proportional to 161,353.60, 242,038.32 and 43,026 is: 64,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,353.60 : 242,038.32 = 43,026 : x
  2. Step 2: Convert to fraction form
    161,353.60/242,038.32 = 43,026/x
  3. Step 3: Cross multiply
    161,353.60x = 242,038.32 × 43,026
  4. Step 4: Simplify right side
    161,353.60x = 10,413,940,756.32
  5. Step 5: Solve for x
    x = 10,413,940,756.32/161,353.60
  6. Step 6: Final answer
    x = 64,541.11

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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.