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Finding the Fourth Proportional to 153,373.69, 230,127.51 and 53,605.48

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Solution

The fourth proportional to 153,373.69, 230,127.51 and 53,605.48 is: 80,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,373.69 : 230,127.51 = 53,605.48 : x
  2. Step 2: Convert to fraction form
    153,373.69/230,127.51 = 53,605.48/x
  3. Step 3: Cross multiply
    153,373.69x = 230,127.51 × 53,605.48
  4. Step 4: Simplify right side
    153,373.69x = 12,336,095,239.65
  5. Step 5: Solve for x
    x = 12,336,095,239.65/153,373.69
  6. Step 6: Final answer
    x = 80,431.63

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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.