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Finding the Fourth Proportional to 178,170.12, 245,879.28 and 101,699.64

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Solution

The fourth proportional to 178,170.12, 245,879.28 and 101,699.64 is: 140,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,170.12 : 245,879.28 = 101,699.64 : x
  2. Step 2: Convert to fraction form
    178,170.12/245,879.28 = 101,699.64/x
  3. Step 3: Cross multiply
    178,170.12x = 245,879.28 × 101,699.64
  4. Step 4: Simplify right side
    178,170.12x = 25,005,834,259.46
  5. Step 5: Solve for x
    x = 25,005,834,259.46/178,170.12
  6. Step 6: Final answer
    x = 140,348.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.