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Finding the Fourth Proportional to 59,899,389.02, 89,612,678.34 and 45,368,168.30

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Solution

The fourth proportional to 59,899,389.02, 89,612,678.34 and 45,368,168.30 is: 67,873,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899,389.02 : 89,612,678.34 = 45,368,168.30 : x
  2. Step 2: Convert to fraction form
    59,899,389.02/89,612,678.34 = 45,368,168.30/x
  3. Step 3: Cross multiply
    59,899,389.02x = 89,612,678.34 × 45,368,168.30
  4. Step 4: Simplify right side
    59,899,389.02x = 4,065,563,072,742,884.50
  5. Step 5: Solve for x
    x = 4,065,563,072,742,884.50/59,899,389.02
  6. Step 6: Final answer
    x = 67,873,197.69

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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.