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Finding the Fourth Proportional to 265,496.68, 398,005.88 and 96,898.70

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Solution

The fourth proportional to 265,496.68, 398,005.88 and 96,898.70 is: 145,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,496.68 : 398,005.88 = 96,898.70 : x
  2. Step 2: Convert to fraction form
    265,496.68/398,005.88 = 96,898.70/x
  3. Step 3: Cross multiply
    265,496.68x = 398,005.88 × 96,898.70
  4. Step 4: Simplify right side
    265,496.68x = 38,566,252,364.36
  5. Step 5: Solve for x
    x = 38,566,252,364.36/265,496.68
  6. Step 6: Final answer
    x = 145,260.77

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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.