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Finding the Fourth Proportional to 355,164.65, 532,751.59 and 118,507.33

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Solution

The fourth proportional to 355,164.65, 532,751.59 and 118,507.33 is: 177,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,164.65 : 532,751.59 = 118,507.33 : x
  2. Step 2: Convert to fraction form
    355,164.65/532,751.59 = 118,507.33/x
  3. Step 3: Cross multiply
    355,164.65x = 532,751.59 × 118,507.33
  4. Step 4: Simplify right side
    355,164.65x = 63,134,968,484.15
  5. Step 5: Solve for x
    x = 63,134,968,484.15/355,164.65
  6. Step 6: Final answer
    x = 177,762.53

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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.