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Finding the Fourth Proportional to 265,961.60, 367,038.72 and 152,819.84

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Solution

The fourth proportional to 265,961.60, 367,038.72 and 152,819.84 is: 210,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,961.60 : 367,038.72 = 152,819.84 : x
  2. Step 2: Convert to fraction form
    265,961.60/367,038.72 = 152,819.84/x
  3. Step 3: Cross multiply
    265,961.60x = 367,038.72 × 152,819.84
  4. Step 4: Simplify right side
    265,961.60x = 56,090,798,464.20
  5. Step 5: Solve for x
    x = 56,090,798,464.20/265,961.60
  6. Step 6: Final answer
    x = 210,898.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.