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Finding the Fourth Proportional to 158,262.66, 218,367.54 and 93,699.83

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Solution

The fourth proportional to 158,262.66, 218,367.54 and 93,699.83 is: 129,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,262.66 : 218,367.54 = 93,699.83 : x
  2. Step 2: Convert to fraction form
    158,262.66/218,367.54 = 93,699.83/x
  3. Step 3: Cross multiply
    158,262.66x = 218,367.54 × 93,699.83
  4. Step 4: Simplify right side
    158,262.66x = 20,461,001,375.52
  5. Step 5: Solve for x
    x = 20,461,001,375.52/158,262.66
  6. Step 6: Final answer
    x = 129,285.08

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1.5x scale

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.