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Finding the Fourth Proportional to 222,582.55, 307,270.29 and 127,070.77

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Solution

The fourth proportional to 222,582.55, 307,270.29 and 127,070.77 is: 175,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,582.55 : 307,270.29 = 127,070.77 : x
  2. Step 2: Convert to fraction form
    222,582.55/307,270.29 = 127,070.77/x
  3. Step 3: Cross multiply
    222,582.55x = 307,270.29 × 127,070.77
  4. Step 4: Simplify right side
    222,582.55x = 39,045,072,348.42
  5. Step 5: Solve for x
    x = 39,045,072,348.42/222,582.55
  6. Step 6: Final answer
    x = 175,418.39

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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.