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Finding the Fourth Proportional to 127,950.50, 176,514.59 and 74,204.39

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Solution

The fourth proportional to 127,950.50, 176,514.59 and 74,204.39 is: 102,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.50 : 176,514.59 = 74,204.39 : x
  2. Step 2: Convert to fraction form
    127,950.50/176,514.59 = 74,204.39/x
  3. Step 3: Cross multiply
    127,950.50x = 176,514.59 × 74,204.39
  4. Step 4: Simplify right side
    127,950.50x = 13,098,157,477.05
  5. Step 5: Solve for x
    x = 13,098,157,477.05/127,950.50
  6. Step 6: Final answer
    x = 102,368.94

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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.