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Finding the Fourth Proportional to 238,592.25, 357,829.33 and 142,555.68

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Solution

The fourth proportional to 238,592.25, 357,829.33 and 142,555.68 is: 213,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,592.25 : 357,829.33 = 142,555.68 : x
  2. Step 2: Convert to fraction form
    238,592.25/357,829.33 = 142,555.68/x
  3. Step 3: Cross multiply
    238,592.25x = 357,829.33 × 142,555.68
  4. Step 4: Simplify right side
    238,592.25x = 51,010,603,462.09
  5. Step 5: Solve for x
    x = 51,010,603,462.09/238,592.25
  6. Step 6: Final answer
    x = 213,798.24

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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.