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Finding the Fourth Proportional to 116,856.80, 175,630.80 and 101,650.40

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Solution

The fourth proportional to 116,856.80, 175,630.80 and 101,650.40 is: 152,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,856.80 : 175,630.80 = 101,650.40 : x
  2. Step 2: Convert to fraction form
    116,856.80/175,630.80 = 101,650.40/x
  3. Step 3: Cross multiply
    116,856.80x = 175,630.80 × 101,650.40
  4. Step 4: Simplify right side
    116,856.80x = 17,852,941,072.32
  5. Step 5: Solve for x
    x = 17,852,941,072.32/116,856.80
  6. Step 6: Final answer
    x = 152,776.23

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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.