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Finding the Fourth Proportional to 265,934.34, 398,901.51 and 160,530.66

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Solution

The fourth proportional to 265,934.34, 398,901.51 and 160,530.66 is: 240,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,934.34 : 398,901.51 = 160,530.66 : x
  2. Step 2: Convert to fraction form
    265,934.34/398,901.51 = 160,530.66/x
  3. Step 3: Cross multiply
    265,934.34x = 398,901.51 × 160,530.66
  4. Step 4: Simplify right side
    265,934.34x = 64,035,922,675.30
  5. Step 5: Solve for x
    x = 64,035,922,675.30/265,934.34
  6. Step 6: Final answer
    x = 240,795.99

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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.