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Finding the Fourth Proportional to 116,801.20, 175,072.20 and 64,248.40

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Solution

The fourth proportional to 116,801.20, 175,072.20 and 64,248.40 is: 96,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,801.20 : 175,072.20 = 64,248.40 : x
  2. Step 2: Convert to fraction form
    116,801.20/175,072.20 = 64,248.40/x
  3. Step 3: Cross multiply
    116,801.20x = 175,072.20 × 64,248.40
  4. Step 4: Simplify right side
    116,801.20x = 11,248,108,734.48
  5. Step 5: Solve for x
    x = 11,248,108,734.48/116,801.20
  6. Step 6: Final answer
    x = 96,301.31

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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.