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Finding the Fourth Proportional to 170,018.60, 255,027.90 and 102,367.40

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Solution

The fourth proportional to 170,018.60, 255,027.90 and 102,367.40 is: 153,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018.60 : 255,027.90 = 102,367.40 : x
  2. Step 2: Convert to fraction form
    170,018.60/255,027.90 = 102,367.40/x
  3. Step 3: Cross multiply
    170,018.60x = 255,027.90 × 102,367.40
  4. Step 4: Simplify right side
    170,018.60x = 26,106,543,050.46
  5. Step 5: Solve for x
    x = 26,106,543,050.46/170,018.60
  6. Step 6: Final answer
    x = 153,551.10

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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.