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Finding the Fourth Proportional to 292,126.96, 438,190.44 and 70,510.96

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Solution

The fourth proportional to 292,126.96, 438,190.44 and 70,510.96 is: 105,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,126.96 : 438,190.44 = 70,510.96 : x
  2. Step 2: Convert to fraction form
    292,126.96/438,190.44 = 70,510.96/x
  3. Step 3: Cross multiply
    292,126.96x = 438,190.44 × 70,510.96
  4. Step 4: Simplify right side
    292,126.96x = 30,897,227,491.75
  5. Step 5: Solve for x
    x = 30,897,227,491.75/292,126.96
  6. Step 6: Final answer
    x = 105,766.44

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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.