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Finding the Fourth Proportional to 145,598.70, 217,879.65 and 101,016.30

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Solution

The fourth proportional to 145,598.70, 217,879.65 and 101,016.30 is: 151,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598.70 : 217,879.65 = 101,016.30 : x
  2. Step 2: Convert to fraction form
    145,598.70/217,879.65 = 101,016.30/x
  3. Step 3: Cross multiply
    145,598.70x = 217,879.65 × 101,016.30
  4. Step 4: Simplify right side
    145,598.70x = 22,009,396,088.30
  5. Step 5: Solve for x
    x = 22,009,396,088.30/145,598.70
  6. Step 6: Final answer
    x = 151,164.78

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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.