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Finding the Fourth Proportional to 98,607.75, 147,852.45 and 45,232.89

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Solution

The fourth proportional to 98,607.75, 147,852.45 and 45,232.89 is: 67,822.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,607.75 : 147,852.45 = 45,232.89 : x
  2. Step 2: Convert to fraction form
    98,607.75/147,852.45 = 45,232.89/x
  3. Step 3: Cross multiply
    98,607.75x = 147,852.45 × 45,232.89
  4. Step 4: Simplify right side
    98,607.75x = 6,687,793,607.08
  5. Step 5: Solve for x
    x = 6,687,793,607.08/98,607.75
  6. Step 6: Final answer
    x = 67,822.19

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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.