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Finding the Fourth Proportional to 153,339.30, 230,020.29 and 53,487.36

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Solution

The fourth proportional to 153,339.30, 230,020.29 and 53,487.36 is: 80,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,339.30 : 230,020.29 = 53,487.36 : x
  2. Step 2: Convert to fraction form
    153,339.30/230,020.29 = 53,487.36/x
  3. Step 3: Cross multiply
    153,339.30x = 230,020.29 × 53,487.36
  4. Step 4: Simplify right side
    153,339.30x = 12,303,178,058.53
  5. Step 5: Solve for x
    x = 12,303,178,058.53/153,339.30
  6. Step 6: Final answer
    x = 80,235.00

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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.