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Finding the Fourth Proportional to 164,910,606.60, 247,365,909.90 and 154,706,939.40

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Solution

The fourth proportional to 164,910,606.60, 247,365,909.90 and 154,706,939.40 is: 232,060,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,910,606.60 : 247,365,909.90 = 154,706,939.40 : x
  2. Step 2: Convert to fraction form
    164,910,606.60/247,365,909.90 = 154,706,939.40/x
  3. Step 3: Cross multiply
    164,910,606.60x = 247,365,909.90 × 154,706,939.40
  4. Step 4: Simplify right side
    164,910,606.60x = 38,269,222,832,525,160
  5. Step 5: Solve for x
    x = 38,269,222,832,525,160/164,910,606.60
  6. Step 6: Final answer
    x = 232,060,409.10

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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.