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Finding the Fourth Proportional to 98,600.20, 147,900.30 and 97,563.40

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Solution

The fourth proportional to 98,600.20, 147,900.30 and 97,563.40 is: 146,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.20 : 147,900.30 = 97,563.40 : x
  2. Step 2: Convert to fraction form
    98,600.20/147,900.30 = 97,563.40/x
  3. Step 3: Cross multiply
    98,600.20x = 147,900.30 × 97,563.40
  4. Step 4: Simplify right side
    98,600.20x = 14,429,656,129.02
  5. Step 5: Solve for x
    x = 14,429,656,129.02/98,600.20
  6. Step 6: Final answer
    x = 146,345.10

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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.