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Finding the Fourth Proportional to 176,899,760.40, 265,349,640.60 and 161,594,259.60

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Solution

The fourth proportional to 176,899,760.40, 265,349,640.60 and 161,594,259.60 is: 242,391,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,899,760.40 : 265,349,640.60 = 161,594,259.60 : x
  2. Step 2: Convert to fraction form
    176,899,760.40/265,349,640.60 = 161,594,259.60/x
  3. Step 3: Cross multiply
    176,899,760.40x = 265,349,640.60 × 161,594,259.60
  4. Step 4: Simplify right side
    176,899,760.40x = 42,878,978,707,883,096
  5. Step 5: Solve for x
    x = 42,878,978,707,883,096/176,899,760.40
  6. Step 6: Final answer
    x = 242,391,389.40

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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.