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Finding the Fourth Proportional to 118,868,764.60, 166,643,018.60 and 118,868,764.60

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Solution

The fourth proportional to 118,868,764.60, 166,643,018.60 and 118,868,764.60 is: 166,643,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868,764.60 : 166,643,018.60 = 118,868,764.60 : x
  2. Step 2: Convert to fraction form
    118,868,764.60/166,643,018.60 = 118,868,764.60/x
  3. Step 3: Cross multiply
    118,868,764.60x = 166,643,018.60 × 118,868,764.60
  4. Step 4: Simplify right side
    118,868,764.60x = 19,808,649,750,196,820
  5. Step 5: Solve for x
    x = 19,808,649,750,196,820/118,868,764.60
  6. Step 6: Final answer
    x = 166,643,018.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.