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Finding the Fourth Proportional to 140,459.06, 210,688.59 and 41,963.06

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Solution

The fourth proportional to 140,459.06, 210,688.59 and 41,963.06 is: 62,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,459.06 : 210,688.59 = 41,963.06 : x
  2. Step 2: Convert to fraction form
    140,459.06/210,688.59 = 41,963.06/x
  3. Step 3: Cross multiply
    140,459.06x = 210,688.59 × 41,963.06
  4. Step 4: Simplify right side
    140,459.06x = 8,841,138,627.57
  5. Step 5: Solve for x
    x = 8,841,138,627.57/140,459.06
  6. Step 6: Final answer
    x = 62,944.59

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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.