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Finding the Fourth Proportional to 94,200.87, 129,965.06 and 58,377.81

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Solution

The fourth proportional to 94,200.87, 129,965.06 and 58,377.81 is: 80,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,200.87 : 129,965.06 = 58,377.81 : x
  2. Step 2: Convert to fraction form
    94,200.87/129,965.06 = 58,377.81/x
  3. Step 3: Cross multiply
    94,200.87x = 129,965.06 × 58,377.81
  4. Step 4: Simplify right side
    94,200.87x = 7,587,075,884.26
  5. Step 5: Solve for x
    x = 7,587,075,884.26/94,200.87
  6. Step 6: Final answer
    x = 80,541.46

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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.