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Finding the Fourth Proportional to 238,389.32, 357,486.72 and 103,462.76

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Solution

The fourth proportional to 238,389.32, 357,486.72 and 103,462.76 is: 155,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,389.32 : 357,486.72 = 103,462.76 : x
  2. Step 2: Convert to fraction form
    238,389.32/357,486.72 = 103,462.76/x
  3. Step 3: Cross multiply
    238,389.32x = 357,486.72 × 103,462.76
  4. Step 4: Simplify right side
    238,389.32x = 36,986,562,714.55
  5. Step 5: Solve for x
    x = 36,986,562,714.55/238,389.32
  6. Step 6: Final answer
    x = 155,151.93

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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.