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Finding the Fourth Proportional to 101,633.01, 152,420.71 and 64,136.91

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Solution

The fourth proportional to 101,633.01, 152,420.71 and 64,136.91 is: 96,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,633.01 : 152,420.71 = 64,136.91 : x
  2. Step 2: Convert to fraction form
    101,633.01/152,420.71 = 64,136.91/x
  3. Step 3: Cross multiply
    101,633.01x = 152,420.71 × 64,136.91
  4. Step 4: Simplify right side
    101,633.01x = 9,775,793,038.72
  5. Step 5: Solve for x
    x = 9,775,793,038.72/101,633.01
  6. Step 6: Final answer
    x = 96,187.18

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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.