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Finding the Fourth Proportional to 98,892.30, 148,411.35 and 65,601.30

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Solution

The fourth proportional to 98,892.30, 148,411.35 and 65,601.30 is: 98,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,892.30 : 148,411.35 = 65,601.30 : x
  2. Step 2: Convert to fraction form
    98,892.30/148,411.35 = 65,601.30/x
  3. Step 3: Cross multiply
    98,892.30x = 148,411.35 × 65,601.30
  4. Step 4: Simplify right side
    98,892.30x = 9,735,977,494.76
  5. Step 5: Solve for x
    x = 9,735,977,494.76/98,892.30
  6. Step 6: Final answer
    x = 98,450.31

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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.