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Finding the Fourth Proportional to 169,751.68, 234,256.20 and 93,271.61

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Solution

The fourth proportional to 169,751.68, 234,256.20 and 93,271.61 is: 128,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,751.68 : 234,256.20 = 93,271.61 : x
  2. Step 2: Convert to fraction form
    169,751.68/234,256.20 = 93,271.61/x
  3. Step 3: Cross multiply
    169,751.68x = 234,256.20 × 93,271.61
  4. Step 4: Simplify right side
    169,751.68x = 21,849,453,028.16
  5. Step 5: Solve for x
    x = 21,849,453,028.16/169,751.68
  6. Step 6: Final answer
    x = 128,714.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.