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Finding the Fourth Proportional to 238,335.86, 357,455.34 and 69,810.93

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Solution

The fourth proportional to 238,335.86, 357,455.34 and 69,810.93 is: 104,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,335.86 : 357,455.34 = 69,810.93 : x
  2. Step 2: Convert to fraction form
    238,335.86/357,455.34 = 69,810.93/x
  3. Step 3: Cross multiply
    238,335.86x = 357,455.34 × 69,810.93
  4. Step 4: Simplify right side
    238,335.86x = 24,954,289,718.87
  5. Step 5: Solve for x
    x = 24,954,289,718.87/238,335.86
  6. Step 6: Final answer
    x = 104,702.21

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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.