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Finding the Fourth Proportional to 140,010.52, 210,015.36 and 34,829.50

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Solution

The fourth proportional to 140,010.52, 210,015.36 and 34,829.50 is: 52,244.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.52 : 210,015.36 = 34,829.50 : x
  2. Step 2: Convert to fraction form
    140,010.52/210,015.36 = 34,829.50/x
  3. Step 3: Cross multiply
    140,010.52x = 210,015.36 × 34,829.50
  4. Step 4: Simplify right side
    140,010.52x = 7,314,729,981.12
  5. Step 5: Solve for x
    x = 7,314,729,981.12/140,010.52
  6. Step 6: Final answer
    x = 52,244.15

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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.