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Finding the Fourth Proportional to 176,806,873.60, 265,210,310.40 and 133,760,152.60

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Solution

The fourth proportional to 176,806,873.60, 265,210,310.40 and 133,760,152.60 is: 200,640,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,806,873.60 : 265,210,310.40 = 133,760,152.60 : x
  2. Step 2: Convert to fraction form
    176,806,873.60/265,210,310.40 = 133,760,152.60/x
  3. Step 3: Cross multiply
    176,806,873.60x = 265,210,310.40 × 133,760,152.60
  4. Step 4: Simplify right side
    176,806,873.60x = 35,474,571,590,197,368
  5. Step 5: Solve for x
    x = 35,474,571,590,197,368/176,806,873.60
  6. Step 6: Final answer
    x = 200,640,228.90

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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.