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Finding the Fourth Proportional to 104,976,813.60, 157,465,220.40 and 101,150,438.40

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Solution

The fourth proportional to 104,976,813.60, 157,465,220.40 and 101,150,438.40 is: 151,725,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,813.60 : 157,465,220.40 = 101,150,438.40 : x
  2. Step 2: Convert to fraction form
    104,976,813.60/157,465,220.40 = 101,150,438.40/x
  3. Step 3: Cross multiply
    104,976,813.60x = 157,465,220.40 × 101,150,438.40
  4. Step 4: Simplify right side
    104,976,813.60x = 15,927,676,076,212,624
  5. Step 5: Solve for x
    x = 15,927,676,076,212,624/104,976,813.60
  6. Step 6: Final answer
    x = 151,725,657.60

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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.