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Finding the Fourth Proportional to 97,080.87, 145,621.17 and 30,526.83

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Solution

The fourth proportional to 97,080.87, 145,621.17 and 30,526.83 is: 45,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.87 : 145,621.17 = 30,526.83 : x
  2. Step 2: Convert to fraction form
    97,080.87/145,621.17 = 30,526.83/x
  3. Step 3: Cross multiply
    97,080.87x = 145,621.17 × 30,526.83
  4. Step 4: Simplify right side
    97,080.87x = 4,445,352,700.99
  5. Step 5: Solve for x
    x = 4,445,352,700.99/97,080.87
  6. Step 6: Final answer
    x = 45,790.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.