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Finding the Fourth Proportional to 265,143.05, 365,905.10 and 144,292.13

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Solution

The fourth proportional to 265,143.05, 365,905.10 and 144,292.13 is: 199,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,143.05 : 365,905.10 = 144,292.13 : x
  2. Step 2: Convert to fraction form
    265,143.05/365,905.10 = 144,292.13/x
  3. Step 3: Cross multiply
    265,143.05x = 365,905.10 × 144,292.13
  4. Step 4: Simplify right side
    265,143.05x = 52,797,226,256.86
  5. Step 5: Solve for x
    x = 52,797,226,256.86/265,143.05
  6. Step 6: Final answer
    x = 199,127.32

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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.