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Finding the Fourth Proportional to 98,259.58, 147,420.54 and 35,078.32

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Solution

The fourth proportional to 98,259.58, 147,420.54 and 35,078.32 is: 52,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,259.58 : 147,420.54 = 35,078.32 : x
  2. Step 2: Convert to fraction form
    98,259.58/147,420.54 = 35,078.32/x
  3. Step 3: Cross multiply
    98,259.58x = 147,420.54 × 35,078.32
  4. Step 4: Simplify right side
    98,259.58x = 5,171,264,876.69
  5. Step 5: Solve for x
    x = 5,171,264,876.69/98,259.58
  6. Step 6: Final answer
    x = 52,628.61

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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.