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Finding the Fourth Proportional to 164,013.40, 245,947.20 and 64,140.40

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Solution

The fourth proportional to 164,013.40, 245,947.20 and 64,140.40 is: 96,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,013.40 : 245,947.20 = 64,140.40 : x
  2. Step 2: Convert to fraction form
    164,013.40/245,947.20 = 64,140.40/x
  3. Step 3: Cross multiply
    164,013.40x = 245,947.20 × 64,140.40
  4. Step 4: Simplify right side
    164,013.40x = 15,775,151,786.88
  5. Step 5: Solve for x
    x = 15,775,151,786.88/164,013.40
  6. Step 6: Final answer
    x = 96,182.09

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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.