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Finding the Fourth Proportional to 127,938.62, 191,950.39 and 39,193.00

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Solution

The fourth proportional to 127,938.62, 191,950.39 and 39,193.00 is: 58,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938.62 : 191,950.39 = 39,193.00 : x
  2. Step 2: Convert to fraction form
    127,938.62/191,950.39 = 39,193.00/x
  3. Step 3: Cross multiply
    127,938.62x = 191,950.39 × 39,193.00
  4. Step 4: Simplify right side
    127,938.62x = 7,523,111,204.39
  5. Step 5: Solve for x
    x = 7,523,111,204.39/127,938.62
  6. Step 6: Final answer
    x = 58,802.50

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1.5x scale

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.