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Finding the Fourth Proportional to 153,336.47, 229,931.93 and 53,484.53

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Solution

The fourth proportional to 153,336.47, 229,931.93 and 53,484.53 is: 80,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,336.47 : 229,931.93 = 53,484.53 : x
  2. Step 2: Convert to fraction form
    153,336.47/229,931.93 = 53,484.53/x
  3. Step 3: Cross multiply
    153,336.47x = 229,931.93 × 53,484.53
  4. Step 4: Simplify right side
    153,336.47x = 12,297,800,192.09
  5. Step 5: Solve for x
    x = 12,297,800,192.09/153,336.47
  6. Step 6: Final answer
    x = 80,201.41

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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.