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Finding the Fourth Proportional to 158,159.70, 237,239.55 and 64,643.58

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Solution

The fourth proportional to 158,159.70, 237,239.55 and 64,643.58 is: 96,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,159.70 : 237,239.55 = 64,643.58 : x
  2. Step 2: Convert to fraction form
    158,159.70/237,239.55 = 64,643.58/x
  3. Step 3: Cross multiply
    158,159.70x = 237,239.55 × 64,643.58
  4. Step 4: Simplify right side
    158,159.70x = 15,336,013,829.59
  5. Step 5: Solve for x
    x = 15,336,013,829.59/158,159.70
  6. Step 6: Final answer
    x = 96,965.37

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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.