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Finding the Fourth Proportional to 79,075.54, 118,482.09 and 55,652.77

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Solution

The fourth proportional to 79,075.54, 118,482.09 and 55,652.77 is: 83,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.54 : 118,482.09 = 55,652.77 : x
  2. Step 2: Convert to fraction form
    79,075.54/118,482.09 = 55,652.77/x
  3. Step 3: Cross multiply
    79,075.54x = 118,482.09 × 55,652.77
  4. Step 4: Simplify right side
    79,075.54x = 6,593,856,503.89
  5. Step 5: Solve for x
    x = 6,593,856,503.89/79,075.54
  6. Step 6: Final answer
    x = 83,386.80

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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.