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Finding the Fourth Proportional to 153,653.81, 230,472.54 and 58,929.44

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Solution

The fourth proportional to 153,653.81, 230,472.54 and 58,929.44 is: 88,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,653.81 : 230,472.54 = 58,929.44 : x
  2. Step 2: Convert to fraction form
    153,653.81/230,472.54 = 58,929.44/x
  3. Step 3: Cross multiply
    153,653.81x = 230,472.54 × 58,929.44
  4. Step 4: Simplify right side
    153,653.81x = 13,581,616,565.21
  5. Step 5: Solve for x
    x = 13,581,616,565.21/153,653.81
  6. Step 6: Final answer
    x = 88,391.02

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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.