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Finding the Fourth Proportional to 107,075.70, 147,772.47 and 59,333.46

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Solution

The fourth proportional to 107,075.70, 147,772.47 and 59,333.46 is: 81,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,075.70 : 147,772.47 = 59,333.46 : x
  2. Step 2: Convert to fraction form
    107,075.70/147,772.47 = 59,333.46/x
  3. Step 3: Cross multiply
    107,075.70x = 147,772.47 × 59,333.46
  4. Step 4: Simplify right side
    107,075.70x = 8,767,851,937.85
  5. Step 5: Solve for x
    x = 8,767,851,937.85/107,075.70
  6. Step 6: Final answer
    x = 81,884.61

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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.