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Finding the Fourth Proportional to 170,152.16, 255,265.16 and 51,820.44

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Solution

The fourth proportional to 170,152.16, 255,265.16 and 51,820.44 is: 77,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,152.16 : 255,265.16 = 51,820.44 : x
  2. Step 2: Convert to fraction form
    170,152.16/255,265.16 = 51,820.44/x
  3. Step 3: Cross multiply
    170,152.16x = 255,265.16 × 51,820.44
  4. Step 4: Simplify right side
    170,152.16x = 13,227,952,907.87
  5. Step 5: Solve for x
    x = 13,227,952,907.87/170,152.16
  6. Step 6: Final answer
    x = 77,741.90

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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.