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Finding the Fourth Proportional to 265,151.92, 365,905.20 and 144,290.08

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Solution

The fourth proportional to 265,151.92, 365,905.20 and 144,290.08 is: 199,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,151.92 : 365,905.20 = 144,290.08 : x
  2. Step 2: Convert to fraction form
    265,151.92/365,905.20 = 144,290.08/x
  3. Step 3: Cross multiply
    265,151.92x = 365,905.20 × 144,290.08
  4. Step 4: Simplify right side
    265,151.92x = 52,796,490,580.42
  5. Step 5: Solve for x
    x = 52,796,490,580.42/265,151.92
  6. Step 6: Final answer
    x = 199,117.89

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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.