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Finding the Fourth Proportional to 192,404.51, 288,649.37 and 66,041.93

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Solution

The fourth proportional to 192,404.51, 288,649.37 and 66,041.93 is: 99,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.51 : 288,649.37 = 66,041.93 : x
  2. Step 2: Convert to fraction form
    192,404.51/288,649.37 = 66,041.93/x
  3. Step 3: Cross multiply
    192,404.51x = 288,649.37 × 66,041.93
  4. Step 4: Simplify right side
    192,404.51x = 19,062,962,374.81
  5. Step 5: Solve for x
    x = 19,062,962,374.81/192,404.51
  6. Step 6: Final answer
    x = 99,077.52

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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.