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Finding the Fourth Proportional to 155,123.60, 232,296.60 and 102,246.80

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Solution

The fourth proportional to 155,123.60, 232,296.60 and 102,246.80 is: 153,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,123.60 : 232,296.60 = 102,246.80 : x
  2. Step 2: Convert to fraction form
    155,123.60/232,296.60 = 102,246.80/x
  3. Step 3: Cross multiply
    155,123.60x = 232,296.60 × 102,246.80
  4. Step 4: Simplify right side
    155,123.60x = 23,751,584,000.88
  5. Step 5: Solve for x
    x = 23,751,584,000.88/155,123.60
  6. Step 6: Final answer
    x = 153,113.93

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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.