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Finding the Fourth Proportional to 301,953.60, 452,987.51 and 99,561.33

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Solution

The fourth proportional to 301,953.60, 452,987.51 and 99,561.33 is: 149,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,953.60 : 452,987.51 = 99,561.33 : x
  2. Step 2: Convert to fraction form
    301,953.60/452,987.51 = 99,561.33/x
  3. Step 3: Cross multiply
    301,953.60x = 452,987.51 × 99,561.33
  4. Step 4: Simplify right side
    301,953.60x = 45,100,038,471.18
  5. Step 5: Solve for x
    x = 45,100,038,471.18/301,953.60
  6. Step 6: Final answer
    x = 149,360.82

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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.