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Finding the Fourth Proportional to 117,889,620.40, 176,834,430.60 and 53,224,404.40

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Solution

The fourth proportional to 117,889,620.40, 176,834,430.60 and 53,224,404.40 is: 79,836,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889,620.40 : 176,834,430.60 = 53,224,404.40 : x
  2. Step 2: Convert to fraction form
    117,889,620.40/176,834,430.60 = 53,224,404.40/x
  3. Step 3: Cross multiply
    117,889,620.40x = 176,834,430.60 × 53,224,404.40
  4. Step 4: Simplify right side
    117,889,620.40x = 9,411,907,246,098,134
  5. Step 5: Solve for x
    x = 9,411,907,246,098,134/117,889,620.40
  6. Step 6: Final answer
    x = 79,836,606.60

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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.