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Finding the Fourth Proportional to 70,657,060.70, 105,836,291.85 and 70,657,060.70

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Solution

The fourth proportional to 70,657,060.70, 105,836,291.85 and 70,657,060.70 is: 105,836,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,657,060.70 : 105,836,291.85 = 70,657,060.70 : x
  2. Step 2: Convert to fraction form
    70,657,060.70/105,836,291.85 = 70,657,060.70/x
  3. Step 3: Cross multiply
    70,657,060.70x = 105,836,291.85 × 70,657,060.70
  4. Step 4: Simplify right side
    70,657,060.70x = 7,478,081,297,508,365
  5. Step 5: Solve for x
    x = 7,478,081,297,508,365/70,657,060.70
  6. Step 6: Final answer
    x = 105,836,291.85

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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.