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Finding the Fourth Proportional to 83,752.53, 115,526.61 and 55,075.47

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Solution

The fourth proportional to 83,752.53, 115,526.61 and 55,075.47 is: 75,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.53 : 115,526.61 = 55,075.47 : x
  2. Step 2: Convert to fraction form
    83,752.53/115,526.61 = 55,075.47/x
  3. Step 3: Cross multiply
    83,752.53x = 115,526.61 × 55,075.47
  4. Step 4: Simplify right side
    83,752.53x = 6,362,682,343.26
  5. Step 5: Solve for x
    x = 6,362,682,343.26/83,752.53
  6. Step 6: Final answer
    x = 75,970.03

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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.