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Finding the Fourth Proportional to 183,830.61, 275,979.24 and 156,303.57

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Solution

The fourth proportional to 183,830.61, 275,979.24 and 156,303.57 is: 234,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,830.61 : 275,979.24 = 156,303.57 : x
  2. Step 2: Convert to fraction form
    183,830.61/275,979.24 = 156,303.57/x
  3. Step 3: Cross multiply
    183,830.61x = 275,979.24 × 156,303.57
  4. Step 4: Simplify right side
    183,830.61x = 43,136,540,457.89
  5. Step 5: Solve for x
    x = 43,136,540,457.89/183,830.61
  6. Step 6: Final answer
    x = 234,653.74

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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.