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Finding the Fourth Proportional to 153,358.65, 230,095.08 and 69,093.54

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Solution

The fourth proportional to 153,358.65, 230,095.08 and 69,093.54 is: 103,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.65 : 230,095.08 = 69,093.54 : x
  2. Step 2: Convert to fraction form
    153,358.65/230,095.08 = 69,093.54/x
  3. Step 3: Cross multiply
    153,358.65x = 230,095.08 × 69,093.54
  4. Step 4: Simplify right side
    153,358.65x = 15,898,083,613.78
  5. Step 5: Solve for x
    x = 15,898,083,613.78/153,358.65
  6. Step 6: Final answer
    x = 103,666.04

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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.