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Finding the Fourth Proportional to 107,075.52, 147,763.74 and 59,328.75

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Solution

The fourth proportional to 107,075.52, 147,763.74 and 59,328.75 is: 81,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,075.52 : 147,763.74 = 59,328.75 : x
  2. Step 2: Convert to fraction form
    107,075.52/147,763.74 = 59,328.75/x
  3. Step 3: Cross multiply
    107,075.52x = 147,763.74 × 59,328.75
  4. Step 4: Simplify right side
    107,075.52x = 8,766,638,766.12
  5. Step 5: Solve for x
    x = 8,766,638,766.12/107,075.52
  6. Step 6: Final answer
    x = 81,873.42

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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.