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Finding the Fourth Proportional to 59,820,717.60, 89,731,076.40 and 51,211,373.40

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Solution

The fourth proportional to 59,820,717.60, 89,731,076.40 and 51,211,373.40 is: 76,817,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,820,717.60 : 89,731,076.40 = 51,211,373.40 : x
  2. Step 2: Convert to fraction form
    59,820,717.60/89,731,076.40 = 51,211,373.40/x
  3. Step 3: Cross multiply
    59,820,717.60x = 89,731,076.40 × 51,211,373.40
  4. Step 4: Simplify right side
    59,820,717.60x = 4,595,251,659,104,328
  5. Step 5: Solve for x
    x = 4,595,251,659,104,328/59,820,717.60
  6. Step 6: Final answer
    x = 76,817,060.10

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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.