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Finding the Fourth Proportional to 170,010.10, 255,015.15 and 102,358.90

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Solution

The fourth proportional to 170,010.10, 255,015.15 and 102,358.90 is: 153,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,010.10 : 255,015.15 = 102,358.90 : x
  2. Step 2: Convert to fraction form
    170,010.10/255,015.15 = 102,358.90/x
  3. Step 3: Cross multiply
    170,010.10x = 255,015.15 × 102,358.90
  4. Step 4: Simplify right side
    170,010.10x = 26,103,070,237.34
  5. Step 5: Solve for x
    x = 26,103,070,237.34/170,010.10
  6. Step 6: Final answer
    x = 153,538.35

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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.