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Finding the Fourth Proportional to 209,952,300.40, 314,928,450.60 and 118,119,295.60

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Solution

The fourth proportional to 209,952,300.40, 314,928,450.60 and 118,119,295.60 is: 177,178,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,300.40 : 314,928,450.60 = 118,119,295.60 : x
  2. Step 2: Convert to fraction form
    209,952,300.40/314,928,450.60 = 118,119,295.60/x
  3. Step 3: Cross multiply
    209,952,300.40x = 314,928,450.60 × 118,119,295.60
  4. Step 4: Simplify right side
    209,952,300.40x = 37,199,126,749,271,400
  5. Step 5: Solve for x
    x = 37,199,126,749,271,400/209,952,300.40
  6. Step 6: Final answer
    x = 177,178,943.40

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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.