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Finding the Fourth Proportional to 82,598,532.60, 123,897,798.90 and 50,349,905.40

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Solution

The fourth proportional to 82,598,532.60, 123,897,798.90 and 50,349,905.40 is: 75,524,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,598,532.60 : 123,897,798.90 = 50,349,905.40 : x
  2. Step 2: Convert to fraction form
    82,598,532.60/123,897,798.90 = 50,349,905.40/x
  3. Step 3: Cross multiply
    82,598,532.60x = 123,897,798.90 × 50,349,905.40
  4. Step 4: Simplify right side
    82,598,532.60x = 6,238,242,453,883,224
  5. Step 5: Solve for x
    x = 6,238,242,453,883,224/82,598,532.60
  6. Step 6: Final answer
    x = 75,524,858.10

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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.