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Finding the Fourth Proportional to 238,065.25, 357,187.79 and 125,740.93

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Solution

The fourth proportional to 238,065.25, 357,187.79 and 125,740.93 is: 188,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,065.25 : 357,187.79 = 125,740.93 : x
  2. Step 2: Convert to fraction form
    238,065.25/357,187.79 = 125,740.93/x
  3. Step 3: Cross multiply
    238,065.25x = 357,187.79 × 125,740.93
  4. Step 4: Simplify right side
    238,065.25x = 44,913,124,899.24
  5. Step 5: Solve for x
    x = 44,913,124,899.24/238,065.25
  6. Step 6: Final answer
    x = 188,658.89

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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.