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Finding the Fourth Proportional to 258,756.77, 357,084.27 and 144,032.93

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Solution

The fourth proportional to 258,756.77, 357,084.27 and 144,032.93 is: 198,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,756.77 : 357,084.27 = 144,032.93 : x
  2. Step 2: Convert to fraction form
    258,756.77/357,084.27 = 144,032.93/x
  3. Step 3: Cross multiply
    258,756.77x = 357,084.27 × 144,032.93
  4. Step 4: Simplify right side
    258,756.77x = 51,431,891,879.59
  5. Step 5: Solve for x
    x = 51,431,891,879.59/258,756.77
  6. Step 6: Final answer
    x = 198,765.39

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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.