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Finding the Fourth Proportional to 45,592,856.80, 68,256,574.80 and 44,265,752.80

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Solution

The fourth proportional to 45,592,856.80, 68,256,574.80 and 44,265,752.80 is: 66,269,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,592,856.80 : 68,256,574.80 = 44,265,752.80 : x
  2. Step 2: Convert to fraction form
    45,592,856.80/68,256,574.80 = 44,265,752.80/x
  3. Step 3: Cross multiply
    45,592,856.80x = 68,256,574.80 × 44,265,752.80
  4. Step 4: Simplify right side
    45,592,856.80x = 3,021,428,667,071,509
  5. Step 5: Solve for x
    x = 3,021,428,667,071,509/45,592,856.80
  6. Step 6: Final answer
    x = 66,269,781.70

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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.