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Finding the Fourth Proportional to 163,948.60, 245,879.70 and 51,628.60

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Solution

The fourth proportional to 163,948.60, 245,879.70 and 51,628.60 is: 77,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,948.60 : 245,879.70 = 51,628.60 : x
  2. Step 2: Convert to fraction form
    163,948.60/245,879.70 = 51,628.60/x
  3. Step 3: Cross multiply
    163,948.60x = 245,879.70 × 51,628.60
  4. Step 4: Simplify right side
    163,948.60x = 12,694,424,679.42
  5. Step 5: Solve for x
    x = 12,694,424,679.42/163,948.60
  6. Step 6: Final answer
    x = 77,429.30

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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.