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Finding the Fourth Proportional to 98,797.62, 148,090.14 and 42,664.17

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Solution

The fourth proportional to 98,797.62, 148,090.14 and 42,664.17 is: 63,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.62 : 148,090.14 = 42,664.17 : x
  2. Step 2: Convert to fraction form
    98,797.62/148,090.14 = 42,664.17/x
  3. Step 3: Cross multiply
    98,797.62x = 148,090.14 × 42,664.17
  4. Step 4: Simplify right side
    98,797.62x = 6,318,142,908.28
  5. Step 5: Solve for x
    x = 6,318,142,908.28/98,797.62
  6. Step 6: Final answer
    x = 63,950.36

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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.