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Finding the Fourth Proportional to 265,573.06, 398,358.51 and 107,800.18

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Solution

The fourth proportional to 265,573.06, 398,358.51 and 107,800.18 is: 161,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,573.06 : 398,358.51 = 107,800.18 : x
  2. Step 2: Convert to fraction form
    265,573.06/398,358.51 = 107,800.18/x
  3. Step 3: Cross multiply
    265,573.06x = 398,358.51 × 107,800.18
  4. Step 4: Simplify right side
    265,573.06x = 42,943,119,082.53
  5. Step 5: Solve for x
    x = 42,943,119,082.53/265,573.06
  6. Step 6: Final answer
    x = 161,699.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.