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Finding the Fourth Proportional to 88,792.70, 133,075.65 and 36,142.70

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Solution

The fourth proportional to 88,792.70, 133,075.65 and 36,142.70 is: 54,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,792.70 : 133,075.65 = 36,142.70 : x
  2. Step 2: Convert to fraction form
    88,792.70/133,075.65 = 36,142.70/x
  3. Step 3: Cross multiply
    88,792.70x = 133,075.65 × 36,142.70
  4. Step 4: Simplify right side
    88,792.70x = 4,809,713,295.26
  5. Step 5: Solve for x
    x = 4,809,713,295.26/88,792.70
  6. Step 6: Final answer
    x = 54,167.89

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1.5x scale

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.