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Finding the Fourth Proportional to 105,776,053.60, 158,664,080.40 and 105,776,053.60

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Solution

The fourth proportional to 105,776,053.60, 158,664,080.40 and 105,776,053.60 is: 158,664,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,776,053.60 : 158,664,080.40 = 105,776,053.60 : x
  2. Step 2: Convert to fraction form
    105,776,053.60/158,664,080.40 = 105,776,053.60/x
  3. Step 3: Cross multiply
    105,776,053.60x = 158,664,080.40 × 105,776,053.60
  4. Step 4: Simplify right side
    105,776,053.60x = 16,782,860,272,785,110
  5. Step 5: Solve for x
    x = 16,782,860,272,785,110/105,776,053.60
  6. Step 6: Final answer
    x = 158,664,080.40

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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.