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Finding the Fourth Proportional to 357,160.80, 534,866.40 and 169,953.60

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Solution

The fourth proportional to 357,160.80, 534,866.40 and 169,953.60 is: 254,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,160.80 : 534,866.40 = 169,953.60 : x
  2. Step 2: Convert to fraction form
    357,160.80/534,866.40 = 169,953.60/x
  3. Step 3: Cross multiply
    357,160.80x = 534,866.40 × 169,953.60
  4. Step 4: Simplify right side
    357,160.80x = 90,902,470,199.04
  5. Step 5: Solve for x
    x = 90,902,470,199.04/357,160.80
  6. Step 6: Final answer
    x = 254,514.13

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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.