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Finding the Fourth Proportional to 85,597.52, 118,075.08 and 51,582.80

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Solution

The fourth proportional to 85,597.52, 118,075.08 and 51,582.80 is: 71,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,597.52 : 118,075.08 = 51,582.80 : x
  2. Step 2: Convert to fraction form
    85,597.52/118,075.08 = 51,582.80/x
  3. Step 3: Cross multiply
    85,597.52x = 118,075.08 × 51,582.80
  4. Step 4: Simplify right side
    85,597.52x = 6,090,643,236.62
  5. Step 5: Solve for x
    x = 6,090,643,236.62/85,597.52
  6. Step 6: Final answer
    x = 71,154.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.