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Finding the Fourth Proportional to 133,488,027.20, 187,420,715.20 and 133,488,027.20

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Solution

The fourth proportional to 133,488,027.20, 187,420,715.20 and 133,488,027.20 is: 187,420,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,488,027.20 : 187,420,715.20 = 133,488,027.20 : x
  2. Step 2: Convert to fraction form
    133,488,027.20/187,420,715.20 = 133,488,027.20/x
  3. Step 3: Cross multiply
    133,488,027.20x = 187,420,715.20 × 133,488,027.20
  4. Step 4: Simplify right side
    133,488,027.20x = 25,018,421,528,461,052
  5. Step 5: Solve for x
    x = 25,018,421,528,461,052/133,488,027.20
  6. Step 6: Final answer
    x = 187,420,715.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.