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Finding the Fourth Proportional to 175,075.60, 262,645.80 and 56,750.80

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Solution

The fourth proportional to 175,075.60, 262,645.80 and 56,750.80 is: 85,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,075.60 : 262,645.80 = 56,750.80 : x
  2. Step 2: Convert to fraction form
    175,075.60/262,645.80 = 56,750.80/x
  3. Step 3: Cross multiply
    175,075.60x = 262,645.80 × 56,750.80
  4. Step 4: Simplify right side
    175,075.60x = 14,905,359,266.64
  5. Step 5: Solve for x
    x = 14,905,359,266.64/175,075.60
  6. Step 6: Final answer
    x = 85,136.70

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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.