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Finding the Fourth Proportional to 145,859.68, 218,789.48 and 35,051.68

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Solution

The fourth proportional to 145,859.68, 218,789.48 and 35,051.68 is: 52,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859.68 : 218,789.48 = 35,051.68 : x
  2. Step 2: Convert to fraction form
    145,859.68/218,789.48 = 35,051.68/x
  3. Step 3: Cross multiply
    145,859.68x = 218,789.48 × 35,051.68
  4. Step 4: Simplify right side
    145,859.68x = 7,668,938,840.33
  5. Step 5: Solve for x
    x = 7,668,938,840.33/145,859.68
  6. Step 6: Final answer
    x = 52,577.51

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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.