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Finding the Fourth Proportional to 141,467.48, 211,916.30 and 65,458.90

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Solution

The fourth proportional to 141,467.48, 211,916.30 and 65,458.90 is: 98,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,467.48 : 211,916.30 = 65,458.90 : x
  2. Step 2: Convert to fraction form
    141,467.48/211,916.30 = 65,458.90/x
  3. Step 3: Cross multiply
    141,467.48x = 211,916.30 × 65,458.90
  4. Step 4: Simplify right side
    141,467.48x = 13,871,807,890.07
  5. Step 5: Solve for x
    x = 13,871,807,890.07/141,467.48
  6. Step 6: Final answer
    x = 98,056.51

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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.