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Finding the Fourth Proportional to 238,442.94, 357,719.76 and 69,956.46

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Solution

The fourth proportional to 238,442.94, 357,719.76 and 69,956.46 is: 104,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,442.94 : 357,719.76 = 69,956.46 : x
  2. Step 2: Convert to fraction form
    238,442.94/357,719.76 = 69,956.46/x
  3. Step 3: Cross multiply
    238,442.94x = 357,719.76 × 69,956.46
  4. Step 4: Simplify right side
    238,442.94x = 25,024,808,081.65
  5. Step 5: Solve for x
    x = 25,024,808,081.65/238,442.94
  6. Step 6: Final answer
    x = 104,950.93

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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.