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Finding the Fourth Proportional to 116,895.20, 175,213.20 and 64,342.40

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Solution

The fourth proportional to 116,895.20, 175,213.20 and 64,342.40 is: 96,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,895.20 : 175,213.20 = 64,342.40 : x
  2. Step 2: Convert to fraction form
    116,895.20/175,213.20 = 64,342.40/x
  3. Step 3: Cross multiply
    116,895.20x = 175,213.20 × 64,342.40
  4. Step 4: Simplify right side
    116,895.20x = 11,273,637,799.68
  5. Step 5: Solve for x
    x = 11,273,637,799.68/116,895.20
  6. Step 6: Final answer
    x = 96,442.26

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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.