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Finding the Fourth Proportional to 90,011, 134,943.60 and 37,459.82

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Solution

The fourth proportional to 90,011, 134,943.60 and 37,459.82 is: 56,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011 : 134,943.60 = 37,459.82 : x
  2. Step 2: Convert to fraction form
    90,011/134,943.60 = 37,459.82/x
  3. Step 3: Cross multiply
    90,011x = 134,943.60 × 37,459.82
  4. Step 4: Simplify right side
    90,011x = 5,054,962,966.15
  5. Step 5: Solve for x
    x = 5,054,962,966.15/90,011
  6. Step 6: Final answer
    x = 56,159.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.