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Finding the Fourth Proportional to 164,011.40, 245,579.70 and 164,011.40

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Solution

The fourth proportional to 164,011.40, 245,579.70 and 164,011.40 is: 245,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011.40 : 245,579.70 = 164,011.40 : x
  2. Step 2: Convert to fraction form
    164,011.40/245,579.70 = 164,011.40/x
  3. Step 3: Cross multiply
    164,011.40x = 245,579.70 × 164,011.40
  4. Step 4: Simplify right side
    164,011.40x = 40,277,870,408.58
  5. Step 5: Solve for x
    x = 40,277,870,408.58/164,011.40
  6. Step 6: Final answer
    x = 245,579.70

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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.