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Finding the Fourth Proportional to 164,020.30, 245,641.65 and 164,020.30

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Solution

The fourth proportional to 164,020.30, 245,641.65 and 164,020.30 is: 245,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,020.30 : 245,641.65 = 164,020.30 : x
  2. Step 2: Convert to fraction form
    164,020.30/245,641.65 = 164,020.30/x
  3. Step 3: Cross multiply
    164,020.30x = 245,641.65 × 164,020.30
  4. Step 4: Simplify right side
    164,020.30x = 40,290,217,125.50
  5. Step 5: Solve for x
    x = 40,290,217,125.50/164,020.30
  6. Step 6: Final answer
    x = 245,641.65

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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.