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Finding the Fourth Proportional to 118,285,685.55, 177,428,528.33 and 118,285,685.55

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Solution

The fourth proportional to 118,285,685.55, 177,428,528.33 and 118,285,685.55 is: 177,428,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,285,685.55 : 177,428,528.33 = 118,285,685.55 : x
  2. Step 2: Convert to fraction form
    118,285,685.55/177,428,528.33 = 118,285,685.55/x
  3. Step 3: Cross multiply
    118,285,685.55x = 177,428,528.33 × 118,285,685.55
  4. Step 4: Simplify right side
    118,285,685.55x = 20,987,255,109,050,216
  5. Step 5: Solve for x
    x = 20,987,255,109,050,216/118,285,685.55
  6. Step 6: Final answer
    x = 177,428,528.33

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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.