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Finding the Fourth Proportional to 153,730.37, 230,640.20 and 63,756.58

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Solution

The fourth proportional to 153,730.37, 230,640.20 and 63,756.58 is: 95,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,730.37 : 230,640.20 = 63,756.58 : x
  2. Step 2: Convert to fraction form
    153,730.37/230,640.20 = 63,756.58/x
  3. Step 3: Cross multiply
    153,730.37x = 230,640.20 × 63,756.58
  4. Step 4: Simplify right side
    153,730.37x = 14,704,830,362.52
  5. Step 5: Solve for x
    x = 14,704,830,362.52/153,730.37
  6. Step 6: Final answer
    x = 95,653.39

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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.