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Finding the Fourth Proportional to 265,140.54, 365,901.65 and 144,289.62

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Solution

The fourth proportional to 265,140.54, 365,901.65 and 144,289.62 is: 199,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,140.54 : 365,901.65 = 144,289.62 : x
  2. Step 2: Convert to fraction form
    265,140.54/365,901.65 = 144,289.62/x
  3. Step 3: Cross multiply
    265,140.54x = 365,901.65 × 144,289.62
  4. Step 4: Simplify right side
    265,140.54x = 52,795,810,035.87
  5. Step 5: Solve for x
    x = 52,795,810,035.87/265,140.54
  6. Step 6: Final answer
    x = 199,123.87

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1.5x scale

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.