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Finding the Fourth Proportional to 145,594.68, 200,796.42 and 88,220.76

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Solution

The fourth proportional to 145,594.68, 200,796.42 and 88,220.76 is: 121,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,594.68 : 200,796.42 = 88,220.76 : x
  2. Step 2: Convert to fraction form
    145,594.68/200,796.42 = 88,220.76/x
  3. Step 3: Cross multiply
    145,594.68x = 200,796.42 × 88,220.76
  4. Step 4: Simplify right side
    145,594.68x = 17,714,412,777.68
  5. Step 5: Solve for x
    x = 17,714,412,777.68/145,594.68
  6. Step 6: Final answer
    x = 121,669.37

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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.