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Finding the Fourth Proportional to 66,136.48, 99,101.04 and 56,235.04

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Solution

The fourth proportional to 66,136.48, 99,101.04 and 56,235.04 is: 84,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.48 : 99,101.04 = 56,235.04 : x
  2. Step 2: Convert to fraction form
    66,136.48/99,101.04 = 56,235.04/x
  3. Step 3: Cross multiply
    66,136.48x = 99,101.04 × 56,235.04
  4. Step 4: Simplify right side
    66,136.48x = 5,572,950,948.44
  5. Step 5: Solve for x
    x = 5,572,950,948.44/66,136.48
  6. Step 6: Final answer
    x = 84,264.40

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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.