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Finding the Fourth Proportional to 98,361.39, 147,541.73 and 42,165.06

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Solution

The fourth proportional to 98,361.39, 147,541.73 and 42,165.06 is: 63,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,361.39 : 147,541.73 = 42,165.06 : x
  2. Step 2: Convert to fraction form
    98,361.39/147,541.73 = 42,165.06/x
  3. Step 3: Cross multiply
    98,361.39x = 147,541.73 × 42,165.06
  4. Step 4: Simplify right side
    98,361.39x = 6,221,105,897.95
  5. Step 5: Solve for x
    x = 6,221,105,897.95/98,361.39
  6. Step 6: Final answer
    x = 63,247.44

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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.