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Finding the Fourth Proportional to 265,951.09, 367,011.70 and 145,091.51

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Solution

The fourth proportional to 265,951.09, 367,011.70 and 145,091.51 is: 200,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,951.09 : 367,011.70 = 145,091.51 : x
  2. Step 2: Convert to fraction form
    265,951.09/367,011.70 = 145,091.51/x
  3. Step 3: Cross multiply
    265,951.09x = 367,011.70 × 145,091.51
  4. Step 4: Simplify right side
    265,951.09x = 53,250,281,740.67
  5. Step 5: Solve for x
    x = 53,250,281,740.67/265,951.09
  6. Step 6: Final answer
    x = 200,225.85

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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.