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Finding the Fourth Proportional to 238,439.93, 357,715.26 and 69,953.45

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Solution

The fourth proportional to 238,439.93, 357,715.26 and 69,953.45 is: 104,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,439.93 : 357,715.26 = 69,953.45 : x
  2. Step 2: Convert to fraction form
    238,439.93/357,715.26 = 69,953.45/x
  3. Step 3: Cross multiply
    238,439.93x = 357,715.26 × 69,953.45
  4. Step 4: Simplify right side
    238,439.93x = 25,023,416,554.65
  5. Step 5: Solve for x
    x = 25,023,416,554.65/238,439.93
  6. Step 6: Final answer
    x = 104,946.42

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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.