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Finding the Fourth Proportional to 250,430.33, 375,707.16 and 72,938.88

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Solution

The fourth proportional to 250,430.33, 375,707.16 and 72,938.88 is: 109,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,430.33 : 375,707.16 = 72,938.88 : x
  2. Step 2: Convert to fraction form
    250,430.33/375,707.16 = 72,938.88/x
  3. Step 3: Cross multiply
    250,430.33x = 375,707.16 × 72,938.88
  4. Step 4: Simplify right side
    250,430.33x = 27,403,659,458.38
  5. Step 5: Solve for x
    x = 27,403,659,458.38/250,430.33
  6. Step 6: Final answer
    x = 109,426.28

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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.