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Finding the Fourth Proportional to 255,283.93, 383,130.02 and 115,053.49

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Solution

The fourth proportional to 255,283.93, 383,130.02 and 115,053.49 is: 172,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,283.93 : 383,130.02 = 115,053.49 : x
  2. Step 2: Convert to fraction form
    255,283.93/383,130.02 = 115,053.49/x
  3. Step 3: Cross multiply
    255,283.93x = 383,130.02 × 115,053.49
  4. Step 4: Simplify right side
    255,283.93x = 44,080,445,924.77
  5. Step 5: Solve for x
    x = 44,080,445,924.77/255,283.93
  6. Step 6: Final answer
    x = 172,672.23

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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.