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Finding the Fourth Proportional to 101,445.40, 152,168.10 and 34,879.60

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Solution

The fourth proportional to 101,445.40, 152,168.10 and 34,879.60 is: 52,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,445.40 : 152,168.10 = 34,879.60 : x
  2. Step 2: Convert to fraction form
    101,445.40/152,168.10 = 34,879.60/x
  3. Step 3: Cross multiply
    101,445.40x = 152,168.10 × 34,879.60
  4. Step 4: Simplify right side
    101,445.40x = 5,307,562,460.76
  5. Step 5: Solve for x
    x = 5,307,562,460.76/101,445.40
  6. Step 6: Final answer
    x = 52,319.40

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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.