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Finding the Fourth Proportional to 98,239.31, 147,358.97 and 42,043.00

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Solution

The fourth proportional to 98,239.31, 147,358.97 and 42,043.00 is: 63,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,239.31 : 147,358.97 = 42,043.00 : x
  2. Step 2: Convert to fraction form
    98,239.31/147,358.97 = 42,043.00/x
  3. Step 3: Cross multiply
    98,239.31x = 147,358.97 × 42,043.00
  4. Step 4: Simplify right side
    98,239.31x = 6,195,413,698.86
  5. Step 5: Solve for x
    x = 6,195,413,698.86/98,239.31
  6. Step 6: Final answer
    x = 63,064.50

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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.