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Finding the Fourth Proportional to 572,070.12, 858,146.22 and 151,341

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Solution

The fourth proportional to 572,070.12, 858,146.22 and 151,341 is: 227,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,070.12 : 858,146.22 = 151,341 : x
  2. Step 2: Convert to fraction form
    572,070.12/858,146.22 = 151,341/x
  3. Step 3: Cross multiply
    572,070.12x = 858,146.22 × 151,341
  4. Step 4: Simplify right side
    572,070.12x = 129,872,707,081.02
  5. Step 5: Solve for x
    x = 129,872,707,081.02/572,070.12
  6. Step 6: Final answer
    x = 227,022.36

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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.