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Finding the Fourth Proportional to 147,174.93, 220,767.81 and 52,412.07

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Solution

The fourth proportional to 147,174.93, 220,767.81 and 52,412.07 is: 78,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,174.93 : 220,767.81 = 52,412.07 : x
  2. Step 2: Convert to fraction form
    147,174.93/220,767.81 = 52,412.07/x
  3. Step 3: Cross multiply
    147,174.93x = 220,767.81 × 52,412.07
  4. Step 4: Simplify right side
    147,174.93x = 11,570,897,911.47
  5. Step 5: Solve for x
    x = 11,570,897,911.47/147,174.93
  6. Step 6: Final answer
    x = 78,620.03

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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.